| Nom du Parc | Etat/Ville | Type du Parc |
| Natchez National Historical Park | Mississippi (Natchez) | National Historical Park |
| Natchez Trace National Scenic Trail | Mississippi (Natchez) | National Scenic Trail |
| Natchez Trace Parkway | Alabama (L'Alabama, Mississippi et le Tennessee) | Parkway |
| National Capital Parks-Central | Columbia (district) (Washington) | |
| National Capital Parks-East | Columbia (district) (Washington) | |
| National Mall | Columbia (district) (Washington) | |
| National Park of American Samoa | Idaho (Pago Pago, American Samoa) | |
| National Parks of New York Harbor | Oklahoma (Au nord du New Jersey et de New York City) | |
| National World War II Memorial | Columbia (district) (Washington) | Memorial |
| Natural Bridges National Monument | Utah (Blanding) | National Monument |
| Navajo National Monument | Arizona (Black Mesa) | National Monument |
| New Bedford Whaling National Historical Park | Massachusetts (New Bedford) | National Historical Park |
| New Jersey Coastal Heritage Trail Route | New Jersey (New Bedford) | |
| New Jersey Pinelands National Reserve | New Jersey (Au sud du New Jersey) | National Reserve |
| New Orleans Jazz National Historical Park | Louisiane (New Orleans) | National Historical Park |
| New River Gorge National River | Virginie-Occidentale (Hinton, Beckley, Glen Jean et Fayetteville) | National River |
| Newspaper Rock | Utah (Monticello) | State Historic Park |
| Nicodemus National Historic Site | Kansas (Nicodemus) | National Historic Site |
| Ninety Six National Historic Site | Caroline du Sud (Ninety Six) | National Historic Site |
| Niobrara National Scenic River | Nebraska (Valentine) | National Scenic River |
| Noatak National Preserve | Alaska (Kotzebue) | National Preserve |
| North Cascades National Park | Washington (Marblemount) | National Park |
| North Country National Scenic Trail | Michigan (De New York au Dakota du nord) | National Scenic Trail |
Liste des parcs nationaux usa classée par type (PDF)
Liste des parcs nationaux usa classée par type
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