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The National Wildlife Refuge System is managed by the United States Fish & Wildlife Service. It is a system of public lands and waters set aside to conserve America's fish, wildlife and plants. The first National Wildlife Refuge was created in 1903 and the system now includes all 50 states. The NWRS also consists of around 36,000 Waterfowl Production Areas, which are grouped and administered as the Wetland Management Districts listed below.
| Name | State |
|---|---|
| Agassiz National Wildlife Refuge | MO |
| Alamosa National Wildlife Refuge | CO |
| Alaska Maritime National Wildlife Refuge | AK |
| Alaska Peninsula National Wildlife Refuge | AK |
| Alligator River National Wildlife Refuge | NC |
| Amagansett National Wildlife Refuge | NY |
| Anaho Island National Wildlife Refuge | NV |
| Anahuac National Wildlife Refuge | TX |
| Ankeny National Wildlife Refuge | OR |
| Antioch Dunes National Wildlife Refuge | CA |
| Aransas National Wildlife Refuge | TX |
| Arapaho National Wildlife Refuge | CO |
| Archie Carr National Wildlife Refuge | FL |
| Arctic National Wildlife Refuge | AK |
| Aroostook National Wildlife Refuge | ME |
| Arrowwood National Wildlife Refuge | ND |
| Arrowwood Wetland Management District | ND |
| Arthur R. Marshall Loxahatchee National Wildlife Refuge | FL |
| Ash Meadows National Wildlife Refuge | NV |
| Assabet River National Wildlife Refuge | MA |
| Atchafalaya National Wildlife Refuge | LA |
| Attwater Prairie Chicken National Wildlife Refuge | TX |
| Audubon National Wildlife Refuge | ND |
| Audubon Wetland Management District | ND |
| Baca National Wildlife Refuge | CO |
| Back Bay National Wildlife Refuge | VA |
| Baker Island National Wildlife Refuge | HI |
| Balcones Canyonlands National Wildlife Refuge | TX |
| Bald Knob National Wildlife Refuge | AR |
| Bamforth National Wildlife Refuge | WY |
| Bandon Marsh National Wildlife Refuge | OR |
| Banks Lake National Wildlife Refuge | GA |
| Baskett Slough National Wildlife Refuge | OR |
| Bayou Cocodrie National Wildlife Refuge | LA |
| Bayou Sauvage National Wildlife Refuge | LA |
| Bayou Teche National Wildlife Refuge | LA |
| Bear Lake National Wildlife Refuge | ID |
| Bear River Migratory Bird Refuge | UT |
| Bear Valley National Wildlife Refuge | OR |
| Becharof National Wildlife Refuge | AK |
| Benton Lake National Wildlife Refuge | MT |
| Benton Lake Wetland Management District | MT |
| Big Boggy National Wildlife Refuge | TX |
| Big Branch Marsh National Wildlife Refuge | LA |
| Big Lake National Wildlife Refuge | AR |
| Big Muddy National Fish & Wildlife Refuge | MO |
| Big Oaks National Wildlife Refuge | IN |
| Big Stone National Wildlife Refuge | MN |
| Big Stone Wetland Management District | MN |
| Bill Williams River National Wildlife Refuge | AZ |
| Bitter Creek National Wildlife Refuge | CA |
| Bitter Lake National Wildlife Refuge | NM |
| Black Bayou Lake National Wildlife Refuge | LA |
| Black Coulee National Wildlife Refuge | MT |
| Blackbeard Island National Wildlife Refuge | GA |
| Blackwater National Wildlife Refuge | MD |
| Block Island National Wildlife Refuge | RI |
| Blue Ridge National Wildlife Refuge | CA |
| Bogue Chitto National Wildlife Refuge | LA |
| Bombay Hook National Wildlife Refuge | DE |
| Bon Secour National Wildlife Refuge | AL |
| Bond Swamp National Wildlife Refuge | GA |
| Bosque del Apache National Wildlife Refuge | NM |
| Bowdoin National Wildlife Refuge | MT |
| Bowdoin Wetland Management District | MT |
| Boyer Chute National Wildlife Refuge | NE |
| Brazoria National Wildlife Refuge | TX |
| Breton National Wildlife Refuge | LA |
| Browns Park National Wildlife Refuge | CO |
| Buck Island National Wildlife Refuge | VI |
| Buenos Aires National Wildlife Refuge | AZ |
| Buffalo Lake National Wildlife Refuge | TX |
| Butte Sink Wildlife Management Area | TX |
| Cabeza Prieta National Wildlife Refuge | AZ |
| Cabo Rojo National Wildlife Refuge | PR |
| Cache River National Wildlife Refuge | AR |
| Caddo Lake National Wildlife Refuge | TX |
| Cahaba River National Wildlife Refuge | AL |
| Caloosahatchee National Wildlife Refuge | FL |
| Camas National Wildlife Refuge | ID |
| Cameron Prairie National Wildlife Refuge | LA |
| Canaan Valley National Wildlife Refuge | WV |
| Cape May National Wildlife Refuge | NJ |
| Cape Meares National Wildlife Refuge | OR |
| Cape Romain National Wildlife Refuge | SC |
| Carlton Pond Waterfowl Production Area | ME |
| Carolina Sandhills National Wildlife Refuge | SC |
| Castle Rock National Wildlife Refuge | CA |
| Cat Island National Wildlife Refuge | LA |
| Catahoula National Wildlife Refuge | LA |
| Cedar Island National Wildlife Refuge | NC |
| Cedar Keys National Wildlife Refuge | FL |
| Cedar Point National Wildlife Refuge | OH |
| Charles M. Russell National Wildlife Refuge | MT |
| Chase Lake National Wildlife Refuge | ND |
| Chase Lake Wetland Management District | ND |
| Chassahowitzka National Wildlife Refuge | FL |
| Chautauqua National Wildlife Refuge | IL |
| Cherry Valley National Wildlife Range | PA |
| Chickasaw National Wildlife Refuge | TN |
| Chincoteague National Wildlife Refuge | VA |
| Choctaw National Wildlife Refuge | AL |
| Cibola National Wildlife Refuge | AZ |
| Clarence Cannon National Wildlife Refuge | MO |
| Clarks River National Wildlife Refuge | KY |
| Clear Lake National Wildlife Refuge | CA |
| Coachella Valley National Wildlife Refuge | CA |
| Cokeville Meadows National Wildlife Refuge | WY |
| Cold Springs National Wildlife Refuge | OR |
| Coldwater River National Wildlife Refuge | MS |
| Columbia National Wildlife Refuge | WA |
| Colusa National Wildlife Refuge | CA |
| Conboy Lake National Wildlife Refuge | WA |
| Conscience Point National Wildlife Refuge | NY |
| Copalis National Wildlife Refuge | WA |
| Crab Orchard National Wildlife Refuge | IL |
| Crane Meadows National Wildlife Refuge | MN |
| Creedman Coulee National Wildlife Refuge | MT |
| Crescent Lake National Wildlife Refuge | NE |
| Crocodile Lake National Wildlife Refuge | FL |
| Crosby Wetland Management District | ND |
| Cross Creeks National Wildlife Refuge | TN |
| Cross Island National Wildlife Refuge | ME |
| Crystal River National Wildlife Refuge | FL |
| Culebra National Wildlife Refuge | PR |
| Currituck National Wildlife Refuge | NC |
| Cypress Creek National Wildlife Refuge | IL |
| Dahomey National Wildlife Refuge | MS |
| Dakota Tallgrass Prairie Wildlife Management Area | ND |
| D'Arbonne National Wildlife Refuge | LA |
| Deep Fork National Wildlife Refuge | OK |
| Deer Flat National Wildlife Refuge | ID |
| Delevan National Wildlife Refuge | CA |
| Delta National Wildlife Refuge | LA |
| Des Lacs National Wildlife Refuge | ND |
| Desecheo National Wildlife Refuge | PR |
| Desert National Wildlife Range | NV |
| DeSoto National Wildlife Refuge | IA |
| Detroit Lakes Wetland Management District | MN |
| Detroit River International Wildlife Refuge | MI |
| Devils Lake Wetland Management District | ND |
| Don Edwards San Francisco Bay National Wildlife Refuge | CA |
| Driftless Area National Wildlife Refuge | IA |
| Dungeness National Wildlife Refuge | WA |
| Eastern Neck National Wildlife Refuge | MD |
| Eastern Shore Of Virginia National Wildlife Refuge | VA |
| Edwin B. Forsythe National Wildlife Refuge | NJ |
| Egmont Key National Wildlife Refuge | FL |
| Elizabeth A. Morton National Wildlife Refuge | NY |
| Elizabeth Hartwell Mason Neck National Wildlife Refuge | VA |
| Ellicott Slough National Wildlife Refuge | CA |
| Emiquon National Wildlife Refuge | IL |
| Erie National Wildlife Refuge | PA |
| Ernest F. Hollings ACE Basin National Wildlife Refuge | SC |
| Eufaula National Wildlife Refuge | AL |
| Everglades Headwaters NWR and Conservation Area | FL |
| Fallon National Wildlife Refuge | NV |
| Farallon National Wildlife Refuge | CA |
| Featherstone National Wildlife Refuge | VA |
| Felsenthal National Wildlife Refuge | AR |
| Fergus Falls Wetland Management District | MN |
| Fern Cave National Wildlife Refuge | AL |
| Fish Springs National Wildlife Refuge | UT |
| Fisherman Island National Wildlife Refuge | VA |
| Flattery Rocks National Wildlife Refuge | WA |
| Flint Hills National Wildlife Refuge | KS |
| Florence Lake National Wildlife Refuge | ND |
| Florida Panther National Wildlife Refuge | FL |
| Fort Niobrara National Wildlife Refuge | NE |
| Fox River National Wildlife Refuge | WI |
| Franklin Island National Wildlife Refuge | ME |
| Franz Lake National Wildlife Refuge | WA |
| Glacial Ridge National Wildlife Refuge | MN |
| Glenn Martin National Wildlife Refuge | MD |
| Grand Bay National Wildlife Refuge | MS |
| Grand Cote National Wildlife Refuge | LA |
| Grass Lake National Wildlife Refuge | MT |
| Grasslands Wildlife Management Area | CA |
| Gravel Island National Wildlife Refuge | WI |
| Grays Harbor National Wildlife Refuge | WA |
| Grays Lake National Wildlife Refuge | ID |
| Great Bay National Wildlife Refuge | NH |
| Great Dismal Swamp National Wildlife Refuge | VA |
| Great Meadows National Wildlife Refuge | MA |
| Great River National Wildlife Refuge | MO |
| Great Swamp National Wildlife Refuge | NJ |
| Great Thicket National Wildlife Refuge | |
| Great White Heron National Wildlife Refuge | FL |
| Green Bay National Wildlife Refuge | WI |
| Green Cay National Wildlife Refuge | VI |
| Green River National Wildlife Refuge | KY |
| Grulla National Wildlife Refuge | TX |
| Guadalupe-Nipomo Dunes National Wildlife Refuge | CA |
| Guam National Wildlife Refuge | GU |
| Hackmatack National Wildlife Refuge | IL,WI |
| Hagerman National Wildlife Refuge | TX |
| Hailstone National Wildlife Refuge | MT |
| Hakalau Forest National Wildlife Refuge | HI |
| Hamden Slough National Wildlife Refuge | MN |
| Hanalei National Wildlife Refuge | HI |
| Handy Brake National Wildlife Refuge | LA |
| Hanford Reach National Monument | WA |
| Harbor Island National Wildlife Refuge | MI |
| Harris Neck National Wildlife Refuge | GA |
| Hart Mountain National Antelope Refuge | OR |
| Hatchie National Wildlife Refuge | TN |
| Havasu National Wildlife Refuge | AZ |
| Hawaiian Islands National Wildlife Refuge | HI |
| Hewitt Lake National Wildlife Refuge | MT |
| Hillside National Wildlife Refuge | MS |
| Hobe Sound National Wildlife Refuge | FL |
| Holla Bend National Wildlife Refuge | AR |
| Holt Collier National Wildlife Refuge | MS |
| Hopper Mountain National Wildlife Refuge | CA |
| Horicon National Wildlife Refuge | WI |
| Howland Island National Wildlife Refuge | HI |
| Hule'ia National Wildlife Refuge | HI |
| Humboldt Bay National Wildlife Refuge | CA |
| Huron National Wildlife Refuge | MI |
| Huron Wetland Management District | SD |
| Hutton Lake National Wildlife Refuge | WY |
| Imperial National Wildlife Refuge | AZ |
| Innoko National Wildlife Refuge | AK |
| Iowa Wetland Management District | IA |
| Iroquois National Wildlife Refuge | NY |
| Island Bay National Wildlife Refuge | FL |
| Izembek National Wildlife Refuge | AK |
| J. Clark Salyer National Wildlife Refuge | ND |
| J. Clark Salyer Wetland Management District | ND |
| J.N. "Ding" Darling National Wildlife Refuge | FL |
| James Campbell National Wildlife Refuge | HI |
| James River National Wildlife Refuge | VA |
| Jarvis Island National Wildlife Refuge | HI |
| John H. Chafee National Wildlife Refuge | RI |
| John Hay National Wildlife Refuge | NH |
| John Heinz National Wildlife Refuge at Tinicum | PA |
| John W. and Louise Seier National Wildlife Refuge | NE |
| Johnston Atoll National Wildlife Refuge | HI |
| Julia Butler Hansen Refuge for the Columbian White-Tailed Deer | WA |
| Kakahaia National Wildlife Refuge | HI |
| Kankakee NWR and Conservation Area | IL |
| Kanuti National Wildlife Refuge | AK |
| Karl E. Mundt National Wildlife Refuge | SD |
| Kealia Pond National Wildlife Refuge | HI |
| Kellys Slough National Wildlife Refuge | ND |
| Kenai National Wildlife Refuge | AK |
| Kern National Wildlife Refuge | CA |
| Kesterton National Wildlife Refuge | CA |
| Key Cave National Wildlife Refuge | AL |
| Key West National Wildlife Refuge | FL |
| Kilauea Point National Wildlife Refuge | HI |
| Kingman Reef National Wildlife Refuge | HI |
| Kirtlands Warbler Wildlife Management Area | MI |
| Kirwin National Wildlife Refuge | KS |
| Klamath Marsh National Wildlife Refuge | OR |
| Kodiak National Wildlife Refuge | AK |
| Kofa National Wildlife Refuge | AZ |
| Kootenai National Wildlife Refuge | ID |
| Koyukuk National Wildlife Refuge | AK |
| Kulm Wetland Management District | ND |
| Lacassine National Wildlife Refuge | LA |
| Lacreek National Wildlife Refuge | SD |
| Laguna Atascosa National Wildlife Refuge | TX |
| Laguna Cartagena National Wildlife Refuge | PR |
| Lake Alice National Wildlife Refuge | ND |
| Lake Andes National Wildlife Refuge | SD |
| Lake Ilo National Wildlife Refuge | ND |
| Lake Isom National Wildlife Refuge | TN |
| Lake Mason National Wildlife Refuge | MT |
| Lake Nettie National Wildlife Refuge | ND |
| Lake Ophelia National Wildlife Refuge | LA |
| Lake Thibadeau National Wildlife Refuge | MT |
| Lake Wales Ridge National Wildlife Refuge | FL |
| Lake Woodruff National Wildlife Refuge | FL |
| Lake Zahl National Wildlife Refuge | ND |
| Las Vegas National Wildlife Refuge | NM |
| Lee Metcalf National Wildlife Refuge | MT |
| Leopold Wetland Management District | WI |
| Leslie Canyon National Wildlife Refuge | AZ |
| Lewis and Clark National Wildlife Refuge | WA |
| Litchfield Wetland Management District | MN |
| Little Pend Oreille National Wildlife Refuge | WA |
| Little River National Wildlife Refuge | OK |
| Loess Bluffs National Wildlife Refuge | MO |
| Logan Cave National Wildlife Refuge | AR |
| Long Lake National Wildlife Refuge | ND |
| Long Lake Wetland Management District | ND |
| Lost Trail National Wildlife Refuge | MT |
| Lostwood National Wildlife Refuge | ND |
| Lostwood Wetland Management District | ND |
| Louisiana Wetland Management District | LA |
| Lower Hatchie National Wildlife Refuge | TN |
| Lower Klamath National Wildlife Refuge | CA |
| Lower Rio Grande Valley National Wildlife Refuge | TX |
| Lower Suwannee National Wildlife Refuge | FL |
| Mackay Island National Wildlife Refuge | NC |
| Madison Wetland Management District | SD |
| Maine Coastal Islands National Wildlife Refuge | ME |
| Malheur National Wildlife Refuge | OR |
| Mandalay National Wildlife Refuge | LA |
| Marais des Cygnes National Wildlife Refuge | KS |
| Mariana Arc of Fire National Wildlife Refuge | GU |
| Mariana Trench Marine National Monument | HI |
| Marin Islands National Wildlife Refuge | CA |
| Mashpee National Wildlife Refuge | MA |
| Massasoit National Wildlife Refuge | MA |
| Mathews Brake National Wildlife Refuge | MS |
| Matlacha Pass National Wildlife Refuge | FL |
| Mattamuskeet National Wildlife Refuge | NC |
| Maxwell National Wildlife Refuge | NM |
| McFaddin National Wildlife Refuge | TX |
| McKay Creek National Wildlife Refuge | OR |
| McLean National Wildlife Refuge | ND |
| McNary National Wildlife Refuge | WA |
| Medicine Lake National Wildlife Refuge | MT |
| Merced National Wildlife Refuge | CA |
| Meredosia National Wildlife Refuge | IL |
| Merritt Island National Wildlife Refuge | FL |
| Michigan Islands National Wildlife Refuge | MI |
| Michigan Wetland Management District | MI |
| Middle Mississippi River National Wildlife Refuge | IL |
| Midway Atoll National Wildlife Refuge | HI |
| Mille Lacs National Wildlife Refuge | MN |
| Mingo National Wildlife Refuge | MO |
| Minidoka National Wildlife Refuge | ID |
| Minnesota Valley National Wildlife Refuge | MN |
| Minnesota Valley Wetland Management District | MN |
| Missisquoi National Wildlife Refuge | VT |
| Mississippi Sandhill Crane National Wildlife Refuge | MS |
| Moapa Valley National Wildlife Refuge | NV |
| Modoc National Wildlife Refuge | CA |
| Monomoy National Wildlife Refuge | MA |
| Monte Vista National Wildlife Refuge | CO |
| Montezuma National Wildlife Refuge | NY |
| Moosehorn National Wildlife Refuge | ME |
| Morgan Brake National Wildlife Refuge | MS |
| Morris Wetland Management District | MN |
| Mortenson Lake National Wildlife Refuge | WY |
| Mountain Bogs National Wildlife Refuge | NC |
| Mountain Longleaf National Wildlife Refuge | AL |
| Muleshoe National Wildlife Refuge | TX |
| Muscatatuck National Wildlife Refuge | IN |
| Nansemond National Wildlife Refuge | VA |
| Nantucket National Wildlife Refuge | MA |
| National Bison Range | MT |
| National Elk Refuge National Wildlife Refuge | WY |
| National Key Deer Refuge | FL |
| Navassa Island National Wildlife Refuge | PR |
| Neal Smith National Wildlife Refuge | IA |
| Necedah National Wildlife Refuge | WI |
| Neches River National Wildlife Refuge | TX |
| Nestucca Bay National Wildlife Refuge | OR |
| Ninepipe National Wildlife Refuge | MT |
| Ninigret National Wildlife Refuge | RI |
| Nisqually National Wildlife Refuge | WA |
| Nomans Land Island National Wildlife Refuge | MA |
| North Central Valley Wildlife Management Area | CA |
| North Platte National Wildlife Refuge | NE |
| Northeast Montana Wetland Management District | MT |
| Northern Tallgrass Prairie National Wildlife Refuge | MN |
| Northwest Montana Wetland Management District | MT |
| Nowitna National Wildlife Refuge | AK |
| Oahu Forest National Wildlife Refuge | HI |
| Occoquan Bay National Wildlife Refuge | VA |
| Ohio River Islands National Wildlife Refuge | WV |
| Okefenokee National Wildlife Refuge | GA |
| Optima National Wildlife Refuge | OK |
| Oregon Islands National Wildlife Refuge | OR |
| Ottawa National Wildlife Refuge | OH |
| Ouray National Wildlife Refuge | UT |
| Overflow National Wildlife Refuge | AR |
| Oxbow National Wildlife Refuge | MA |
| Oxford Slough Waterfowl Production Area | ID |
| Oyster Bay National Wildlife Refuge | NY |
| Ozark Cavefish National Wildlife Refuge | MO |
| Ozark Plateau National Wildlife Refuge | OK |
| Pacific Remote Islands National Monument | |
| Paint Rock River National Wildlife Refuge | TN |
| Pahranagat National Wildlife Refuge | NV |
| Palmyra Atoll National Wildlife Refuge | HI |
| Panther Swamp National Wildlife Refuge | M |
| Parker River National Wildlife Refuge | MA |
| Passage Key National Wildlife Refuge | FL |
| Pathfinder National Wildlife Refuge | WY |
| Patoka River National Wildlife Refuge and Wildlife Management Area | IN |
| Patuxent Research Refuge | MD |
| Pea Island National Wildlife Refuge | NC |
| Pearl Harbor National Wildlife Refuge | HI |
| Pee Dee National Wildlife Refuge | NC |
| Pelican Island National Wildlife Refuge | FL |
| Petit Manan National Wildlife Refuge | ME |
| Piedmont National Wildlife Refuge | GA |
| Pierce National Wildlife Refuge | WA |
| Pilot Knob National Wildlife Refuge | MO |
| Pinckney Island National Wildlife Refuge | SC |
| Pine Island National Wildlife Refuge | FL |
| Pinellas National Wildlife Refuge | FL |
| Pixley National Wildlife Refuge | CA |
| Plum Tree Island National Wildlife Refuge | VA |
| Pocosin Lakes National Wildlife Refuge | NC |
| Pond Creek National Wildlife Refuge | AR |
| Pond Island National Wildlife Refuge | ME |
| Port Louisa National Wildlife Refuge | IA |
| Presquile National Wildlife Refuge | VA |
| Prime Hook National Wildlife Refuge | DE |
| Protection Island National Wildlife Refuge | WA |
| Quillayute Needles National Wildlife Refuge | WA |
| Quivira National Wildlife Refuge | KS |
| Rachel Carson National Wildlife Refuge | ME |
| Rainwater Basin Wetland Management District | NE |
| Rappahannock River Valley National Wildlife Refuge | VA |
| Red River National Wildlife Refuge | LA |
| Red Rock Lakes National Wildlife Refuge | MT |
| Reelfoot National Wildlife Refuge | TN |
| Rice Lake National Wildlife Refuge | MN |
| Ridgefield National Wildlife Refuge | WA |
| Rio Mora National Wildlife Refuge and Conservation Area | NM |
| Roanoke River National Wildlife Refuge | NC |
| Rocky Flats National Wildlife Refuge | CO |
| Rocky Mountain Arsenal National Wildlife Refuge | CO |
| Rose Atoll National Wildlife Refuge | HI |
| Ruby Lake National Wildlife Refuge | NV |
| Rydell National Wildlife Refuge | MN |
| Sabine National Wildlife Refuge | LA |
| Sachuest Point National Wildlife Refuge | RI |
| Sacramento National Wildlife Refuge | CA |
| Sacramento River National Wildlife Refuge | CA |
| Saddle Mountain National Wildlife Refuge | WA |
| Salinas River National Wildlife Refuge | CA |
| Salt Plains National Wildlife Refuge | OK |
| Sam D. Hamilton Noxubee National Wildlife Refuge | MS |
| San Andres National Wildlife Refuge | NM |
| San Bernard National Wildlife Refuge | TX |
| San Bernardino National Wildlife Refuge | AZ |
| San Diego Bay National Wildlife Refuge | CA |
| San Diego National Wildlife Refuge | CA |
| San Joaquin River National Wildlife Refuge | CA |
| San Juan Islands National Wildlife Refuge | WA |
| San Luis National Wildlife Refuge | CA |
| San Pablo Bay National Wildlife Refuge | CA |
| Sand Lake National Wildlife Refuge | SD |
| Sand Lake Wetland Management District | SD |
| Sandy Point National Wildlife Refuge | VI |
| Santa Ana National Wildlife Refuge | TX |
| Santee National Wildlife Refuge | SC |
| Sauta Cave National Wildlife Refuge | AL |
| Savannah National Wildlife Refuge | SC |
| Seal Beach National Wildlife Refuge | CA |
| Seal Island National Wildlife Refuge | ME |
| Seatuck National Wildlife Refuge | NY |
| Seedskadee National Wildlife Refuge | WY |
| Selawik National Wildlife Refuge | AK |
| Seney National Wildlife Refuge | MI |
| Sequoyah National Wildlife Refuge | OK |
| Sevilleta National Wildlife Refuge | NM |
| Shawangunk Grasslands National Wildlife Refuge | NY |
| Sheldon National Wildlife Refuge | NV |
| Shell Keys National Wildlife Refuge | LA |
| Shell Lake National Wildlife Refuge | ND |
| Sherburne National Wildlife Refuge | MN |
| Shiawassee National Wildlife Refuge | MI |
| Siletz Bay National Wildlife Refuge | OR |
| Silvio O. Conte National Fish & Wildlife Refuge | MA |
| Slade National Wildlife Refuge | ND |
| Sonny Bono Salton Sea National Wildlife Refuge | CA |
| St. Catherine Creek National Wildlife Refuge | MS |
| St. Croix Wetland Management District | WI |
| St. Croix Wetland Management District | WI |
| St. Johns National Wildlife Refuge | FL |
| St. Marks National Wildlife Refuge | FL |
| St. Vincent National Wildlife Refuge | FL |
| Steigerwald Lake National Wildlife Refuge | WA |
| Stewart B. McKinney National Wildlife Refuge | CT |
| Stewart Lake National Wildlife Refuge | ND |
| Stillwater National Wildlife Refuge | NV |
| Stone Lakes National Wildlife Refuge | CA |
| Sullys Hill National Game Preserve | ND |
| Sunkhaze Meadows National Wildlife Refuge | ME |
| Supawna Meadows National Wildlife Refuge | NJ |
| Susquehanna River National Wildlife Refuge | MD |
| Sutter National Wildlife Refuge | CA |
| Swan Lake National Wildlife Refuge | MO |
| Swan River National Wildlife Refuge | MT |
| Swanquarter National Wildlife Refuge | NC |
| Tallahatchie National Wildlife Refuge | MS |
| Tamarac National Wildlife Refuge | MN |
| Tamarac Wetland Management District | MN |
| Target Rock National Wildlife Refuge | NY |
| Ten Thousand Islands National Wildlife Refuge | FL |
| Tennessee National Wildlife Refuge | TN |
| Tensas River National Wildlife Refuge | LA |
| Tetlin National Wildlife Refuge | AK |
| Tewaukon National Wildlife Refuge | ND |
| Tewaukon Wetland Management District | ND |
| Texas Point National Wildlife Refuge | TX |
| Thacher Island National Wildlife Refuge | MA |
| Theodore Roosevelt National Wildlife Refuge | MS |
| Three Arch Rocks National Wildlife Refuge | OR |
| Tijuana Slough National Wildlife Refuge | CA |
| Tishomingo National Wildlife Refuge | OK |
| Togiak National Wildlife Refuge | AK |
| Toppenish National Wildlife Refuge | WA |
| Trempealeau National Wildlife Refuge | WI |
| Trinity River National Wildlife Refuge | TX |
| Trustom Pond National Wildlife Refuge | RI |
| Tualatin River National Wildlife Refuge | OR |
| Tule Lake National Wildlife Refuge | CA |
| Turnbull National Wildlife Refuge | WA |
| Two Ponds National Wildlife Refuge | CO |
| Two Rivers National Wildlife Refuge | IL |
| Tybee National Wildlife Refuge | SC |
| UL Bend National Wildlife Refuge | MT |
| Umatilla National Wildlife Refuge | WA |
| Umbagog National Wildlife Refuge | NH |
| Union Slough National Wildlife Refuge | IA |
| Upper Klamath National Wildlife Refuge | OR |
| Upper Mississippi River National Wildlife & Fish Refuge | MN |
| Upper Ouachita National Wildlife Refuge | LA |
| Upper Souris National Wildlife Refuge | ND |
| Valentine National Wildlife Refuge | NE |
| Valle De Oro National Wildlife Refuge | NM |
| Valley City Wetland Management District | ND |
| Vieques National Wildlife Refuge | PR |
| Waccamaw National Wildlife Refuge | SC |
| Wake Atoll National Wildlife Refuge | HI |
| Wallkill River National Wildlife Refuge | NJ |
| Wallops Island National Wildlife Refuge | VA |
| Wapack National Wildlife Refuge | NH |
| Wapanocca National Wildlife Refuge | AR |
| Wapato Lake National Wildlife Refuge | OR |
| War Horse National Wildlife Refuge | MT |
| Washita National Wildlife Refuge | OK |
| Wassaw National Wildlife Refuge | GA |
| Watercress Darter National Wildlife Refuge | AL |
| Waubay National Wildlife Refuge | SD |
| Wertheim National Wildlife Refuge | NY |
| West Sister Island National Wildlife Refuge | OH |
| Wheeler National Wildlife Refuge | AL |
| White Lake National Wildlife Refuge | ND |
| White River National Wildlife Refuge | AR |
| Whittlesey Creek National Wildlife Refuge | WI |
| Wichita Mountains Wildlife Refuge | OK |
| Willapa National Wildlife Refuge | WA |
| William L. Finley National Wildlife Refuge | OR |
| Willow Creek-Lurline Wildlife Management Area | CA |
| Windom Wetland Management District | CA |
| Wolf Island National Wildlife Refuge | GA |
| Yazoo National Wildlife Refuge | MS |
| Yukon Delta Flats National Wildlife Refuge | AK |
| Yukon Delta National Wildlife Refuge | AK |