As of 30 July 2007, there were 548 National Wildlife Refuges in each of the United States. Refuges that have boundaries in multiple states are listed only in the state where the main visitor entrance is located. The newest one made is the Rocky Flats in Colorado.[1]

The United States is divided into seven regions for administrative purposes:
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AL | AK | AZ | AR | CA | CO | CT | DE | FL | GA | HI | ID | IL | IN | IA | KS | KY | LA | ME | MD | MA | MI | MN | MS | MO | MT | NE | NV | NH | NJ | NM | NY | NC | ND | OH | OK | OR | PA | RI | SC | SD | TN | TX | UT | VT | VA | WA | WV | WI | WY | PR | VI | Insular areas |
- Alaska Maritime National Wildlife Refuge
- Alaska Peninsula National Wildlife Refuge
- Arctic National Wildlife Refuge
- Becharof National Wildlife Refuge
- Innoko National Wildlife Refuge
- Izembek National Wildlife Refuge
- Kanuti National Wildlife Refuge
- Kenai National Wildlife Refuge
- Kodiak National Wildlife Refuge
- Koyukuk National Wildlife Refuge
- Nowitna National Wildlife Refuge
- Selawik National Wildlife Refuge
- Tetlin National Wildlife Refuge
- Togiak National Wildlife Refuge
- Yukon Delta National Wildlife Refuge
- Yukon Flats National Wildlife Refuge
- Bill Williams River National Wildlife Refuge
- Buenos Aires National Wildlife Refuge
- Cabeza Prieta National Wildlife Refuge
- Cibola National Wildlife Refuge
- Havasu National Wildlife Refuge
- Imperial National Wildlife Refuge
- Kofa National Wildlife Refuge
- Leslie Canyon National Wildlife Refuge
- San Bernardino National Wildlife Refuge
- Coachella Valley National Wildlife Refuge
- Castle Rock National Wildlife Refuge
- Grasslands Wildlife Management Area
- Hopper Mountain National Wildlife Refuge Complex
- Humboldt Bay National Wildlife Refuge Complex
- Kern National Wildlife Refuge
- Klamath Basin National Wildlife Refuges Complex (CA and OR)
- Merced National Wildlife Refuge
- Modoc National Wildlife Refuge
- North Central Valley Wildlife Management Area
- Pixley National Wildlife Refuge
- Sacramento National Wildlife Refuge Complex
- San Diego Bay National Wildlife Refuge
- San Diego National Wildlife Refuge
- San Francisco Bay National Wildlife Refuge Complex
- San Joaquin River National Wildlife Refuge
- San Luis National Wildlife Refuge
- Seal Beach National Wildlife Refuge
- Sonny Bono Salton Sea National Wildlife Refuge
- Stone Lakes National Wildlife Refuge
- Tijuana Slough National Wildlife Refuge
- Willow Creek-Lurline Wildlife Management Area
- Arthur R. Marshall Loxahatchee National Wildlife Refuge
- Chassahowitzka National Wildlife Refuge
- Florida Panther National Wildlife Refuge
- J.N. 'Ding' Darling National Wildlife Refuge
- Lake Woodruff National Wildlife Refuge
- Lower Suwannee National Wildlife Refuge
- Merritt Island National Wildlife Refuge
- National Key Deer Refuge
- Okefenokee National Wildlife Refuge (administered in Georgia)
- St. Marks National Wildlife Refuge
- St. Vincent National Wildlife Refuge
- Ten Thousand Islands National Wildlife Refuge
- Chautauqua National Wildlife Refuge
- Crab Orchard National Wildlife Refuge
- Cypress Creek National Wildlife Refuge
- Emiquon National Wildlife Refuge
- Mark Twain National Wildlife Refuge Complex
- Meredosia National Wildlife Refuge
- Middle Mississippi River National Wildlife Refuge
- Two Rivers National Wildlife Refuge
- Bayou Cocodrie National Wildlife Refuge
- Cat Island National Wildlife Refuge
- Catahoula National Wildlife Refuge
- East Cove National Wildlife Refuge
- Lake Ophelia National Wildlife Refuge
- Mandalay National Wildlife Refuge
- North Louisiana Refuge Complex
- Southeast Louisiana National Wildlife Refuge Complex
- Southwest Louisiana National Wildlife Refuge Complex
- Tensas River National Wildlife Refuge
- Aroostook National Wildlife Refuge
- Carlton Pond Waterfowl Production Area
- Cross Island National Wildlife Refuge
- Franklin Island National Wildlife Refuge
- Moosehorn National Wildlife Refuge
- Petit Manan National Wildlife Refuge
- Pond Island National Wildlife Refuge
- Rachel Carson National Wildlife Refuge
- Seal Island National Wildlife Refuge
- Sunkhaze Meadows National Wildlife Refuge
- Assabet River National Wildlife Refuge
- Great Meadows National Wildlife Refuge
- Mashpee National Wildlife Refuge
- Massasoit National Wildlife Refuge
- Monomoy National Wildlife Refuge
- Nantucket National Wildlife Refuge
- Nomans Land Island National Wildlife Refuge
- Oxbow National Wildlife Refuge
- Parker River National Wildlife Refuge
- Silvio O. Conte National Wildlife Refuge
- Thacher Island National Wildlife Refuge
- Detroit River International Wildlife Refuge
- Harbor Island National Wildlife Refuge
- Huron National Wildlife Refuge
- Kirtlands Warbler Wildlife Management Area
- Michigan Wetland Management District
- Michigan Islands National Wildlife Refuge
- Seney National Wildlife Refuge
- Shiawassee National Wildlife Refuge
- Agassiz National Wildlife Refuge
- Big Stone National Wildlife Refuge
- Big Stone Wetland Management District
- Crane Meadows National Wildlife Refuge
- Detroit Lakes Wetland Management District
- Fergus Falls Wetland Management District
- Hamden Slough National Wildlife Refuge
- Litchfield Wetland Management District
- Mille Lacs National Wildlife Refuge
- Minnesota Valley National Wildlife Refuge
- Minnesota Valley Wetland Management District
- Morris Wetland Management District
- Northern Tallgrass Prairie National Wildlife Refuge
- Rice Lake National Wildlife Refuge
- Rydell National Wildlife Refuge
- Sherburne National Wildlife Refuge
- Tamarac National Wildlife Refuge
- Upper Mississippi River National Wildlife and Fish Refuge
- Windom Wetland Management District
- Boyer Chute National Wildlife Refuge
- Crescent Lake National Wildlife Refuge
- DeSoto National Wildlife Refuge
- Fort Niobrara National Wildlife Refuge
- John and Louise Seier National Wildlife Refuge
- North Platte National Wildlife Refuge
- Rainwater Basin Wetland Management District
- Valentine National Wildlife Refuge
- Alligator River National Wildlife Refuge
- Mackay Island National Wildlife Refuge
- Mattamuskeet National Wildlife Refuge
- Pee Dee National Wildlife Refuge
- Pocosin Lakes National Wildlife Refuge
- Roanoke River National Wildlife Refuge
- Arrowwood National Wildlife Refuge Complex
- Arrowwood National Wildlife Refuge
- Johnson Lake National Wildlife Refuge (easement refuge)
- Arrowwood Wetland Management District
- Chase Lake National Wildlife Refuge
- Chase Lake Wetland Management District
- Halfway Lake National Wildlife Refuge (easement refuge)
- Valley City Wetland Management District
- Hobart Lake National Wildlife Refuge (easement refuge)
- Sibley Lake National Wildlife Refuge (easement refuge)
- Stoney Slough National Wildlife Refuge (easement refuge)
- Tomahawk National Wildlife Refuge (easement refuge)
- Arrowwood National Wildlife Refuge
- Audubon National Wildlife Refuge Complex
- Audubon National Wildlife Refuge
- Camp Lake National Wildlife Refuge (easement refuge)
- Hiddenwood National Wildlife Refuge (easement refuge)
- Lake Nettie National Wildlife Refuge (easement refuge)
- Lake Otis National Wildlife Refuge (easement refuge)
- Lake Patricia National Wildlife Refuge (easement refuge)
- Lost Lake National Wildlife Refuge (easement refuge)
- McLean National Wildlife Refuge (easement refuge)
- Pretty Rock National Wildlife Refuge (easement refuge)
- Sheyenne Lake National Wildlife Refuge (easement refuge)
- Stewart Lake National Wildlife Refuge (easement refuge)
- White Lake National Wildlife Refuge (easement refuge)
- Lake Ilo National Wildlife Refuge
- Audubon National Wildlife Refuge
- Des Lacs National Wildlife Refuge Complex
- Devils Lake Wetland Management District
- Ardoch National Wildlife Refuge (easement refuge)
- Brumba National Wildlife Refuge (easement refuge)
- Kellys Slough National Wildlife Refuge
- Lake Alice National Wildlife Refuge
- Lambs Lake National Wildlife Refuge (easement refuge)
- Little Goose National Wildlife Refuge (easement refuge)
- Pleasant Lake National Wildlife Refuge (easement refuge)
- Rock Lake National Wildlife Refuge (easement refuge)
- Rose Lake National Wildlife Refuge (easement refuge)
- Silver Lake National Wildlife Refuge (easement refuge)
- Snyder Lake National Wildlife Refuge (easement refuge)
- Stump Lake National Wildlife Refuge (easement refuge)
- Sullys Hill National Game Preserve
- Wood Lake National Wildlife Refuge (easement refuge)
- J. Clark Salyer National Wildlife Refuge
- Buffalo Lake National Wildlife Refuge (easement refuge)
- Cottonwood National Wildlife Refuge (easement refuge)
- Lords Lake National Wildlife Refuge (easement refuge)
- Rabb Lake National Wildlife Refuge (easement refuge)
- School Section Lake National Wildlife Refuge (easement refuge)
- Williw Lake National Wildlife Refuge (easement refuge)
- Wintering River National Wildlife Refuge (easement refuge)
- J. Clark Salyer Wetland Management District
- Kulm Wetland Management District
- Bone Hill Creek National Wildlife Refuge (easement refuge)
- Dakota Lake National Wildlife Refuge (easement refuge)
- Maple River National Wildlife Refuge (easement refuge)
- Long Lake National Wildlife Refuge
- Appert Lake National Wildlife Refuge (easement refuge)
- Canfield Lake National Wildlife Refuge (easement refuge)
- Florence Lake National Wildlife Refuge
- Hutchinson Lake National Wildlife Refuge (easement refuge)
- Lake George National Wildlife Refuge (easement refuge)
- Long Lake Wetland Management District
- Springwater National Wildlife Refuge (easement refuge)
- Slade National Wildlife Refuge
- Sunburst Lake National Wildlife Refuge (easement refuge)
- Tewaukon National Wildlife Refuge
- Storm Lake National Wildlife Refuge (easement refuge)
- Wild Rice Lake National Wildlife Refuge (easement refuge)
- Upper Souris National Wildlife Refuge
- Deep Fork National Wildlife Refuge
- Little River National Wildlife Refuge
- Optima National Wildlife Refuge
- Ozark Plateau National Wildlife Refuge
- Salt Plains National Wildlife Refuge
- Sequoyah National Wildlife Refuge
- Tishomingo National Wildlife Refuge
- Washita National Wildlife Refuge
- Wichita Mountains Wildlife Refuge
- Klamath Basin National Wildlife Refuges Complex (CA and OR)
- Malheur National Wildlife Refuge
- Mid-Columbia River National Wildlife Refuge Complex
- Oregon Coast National Wildlife Refuge Complex
- Sheldon-Hart Mountain National Wildlife Refuge Complex (NV and OR)
- Tualatin River National Wildlife Refuge
- Willamette Valley National Wildlife Refuge Complex
- Anahuac National Wildlife Refuge
- Aransas National Wildlife Refuge
- Attwater Prairie Chicken National Wildlife Refuge
- Balcones Canyonlands National Wildlife Refuge
- Big Boggy National Wildlife Refuge
- Brazoria National Wildlife Refuge
- Buffalo Lake National Wildlife Refuge
- Hagerman National Wildlife Refuge
- Laguna Atascosa National Wildlife Refuge
- Lower Rio Grande Valley National Wildlife Refuge
- McFaddin National Wildlife Refuge
- Muleshoe National Wildlife Refuge
- San Bernard National Wildlife Refuge
- Santa Ana National Wildlife Refuge
- Texas Point National Wildlife Refuge
- Trinity River National Wildlife Refuge
- Back Bay National Wildlife Refuge
- Chincoteague National Wildlife Refuge
- Eastern Shore Of Virginia National Wildlife Refuge
- Featherstone National Wildlife Refuge
- Fisherman Island National Wildlife Refuge
- Great Dismal Swamp National Wildlife Refuge
- James River National Wildlife Refuge
- Mason Neck National Wildlife Refuge
- Nansemond National Wildlife Refuge
- Occoquan Bay National Wildlife Refuge
- Plum Tree Island National Wildlife Refuge
- Presquile National Wildlife Refuge
- Rappahannock River Valley National Wildlife Refuge
- Wallops Island National Wildlife Refuge
- Columbia National Wildlife Refuge
- Conboy Lake National Wildlife Refuge
- Copalis National Wildlife Refuge
- Dungeness National Wildlife Refuge
- Flattery Rocks National Wildlife Refuge
- Franz Lake National Wildlife Refuge
- Grays Harbor National Wildlife Refuge
- Julia Butler Hansen Refuge for the Columbian White-tail Deer
- Lewis and Clark National Wildlife Refuge
- Little Pend Oreille National Wildlife Refuge
- McNary National Wildlife Refuge
- Nisqually National Wildlife Refuge
- Pierce National Wildlife Refuge
- Protection Island National Wildlife Refuge
- Quillayute Needles National Wildlife Refuge
- Ridgefield National Wildlife Refuge
- Saddle Mountain National Wildlife Refuge
- San Juan Islands National Wildlife Refuge
- Steigerwald Lake National Wildlife Refuge
- Toppenish National Wildlife Refuge
- Turnbull National Wildlife Refuge
- Willapa National Wildlife Refuge
- Fox River National Wildlife Refuge
- Gravel Island National Wildlife Refuge
- Green Bay National Wildlife Refuge
- Horicon National Wildlife Refuge
- Leopold Wetland Management District
- Necedah National Wildlife Refuge
- St. Croix Wetland Management District
- Trempealeau National Wildlife Refuge
- Whittlesey Creek National Wildlife Refuge
- Arapaho National Wildlife Refuge Complex (in Colorado)
- National Elk Refuge
- Seedskadee National Wildlife Refuge
- Caribbean Islands National Wildlife complex
- Buck Island National Wildlife Refuge
- Cabo Rojo National Wildlife Refuge
- Culebra National Wildlife Refuge
- Desecheo National Wildlife Refuge
- Green Cay National Wildlife Refuge
- Laguna Cartagena National Wildlife Refuge
- Navassa Island National Wildlife Refuge
- Sandy Point National Wildlife Refuge
- Vieques National Wildlife Refuge
- Baker Island National Wildlife Refuge
- Guam National Wildlife Refuge
- Howland Island National Wildlife Refuge
- Jarvis Island National Wildlife Refuge
- Johnston Atoll National Wildlife Refuge
- Kingman Reef National Wildlife Refuge
- Midway Atoll National Wildlife Refuge
- Palmyra Atoll National Wildlife Refuge
- Rose Atoll National Wildlife Refuge
- Wake National Wildlife Refuge