| Nagle Warren Mansion | |
| Names Hill | |
| Names Hill, Oregon Trail Inscription Site | WyoHistory.org |
| Nancy Hill Grave | |
| Narrows, The, Oregon Trail landmark on the Sweetwater River | WyoHistory.org |
| National Bighorn Sheep Center | |
| National Elk Refuge | |
| National Historic Trails Interpretive Center | |
| National Museum of Military Vehicles | |
| Native American geography in Wyoming | Gregory Nickerson |
| Native American trade before European arrival | Samuel Western |
| Natrona County High School | |
| Natrona County, Wyoming | Rebecca A. Hunt, Ph.D. |
| Natrona County Library | |
| Nelson, Aven, longtime University of Wyoming botanist | Lori Van Pelt |
| Nelson, S.A., Powell banker | Tom Rea |
| New Fork River crossing | |
| New Fork River Crossing | Clint Gilchrist |
| Newcastle Chamber of Commerce | |
| Newcastle, Wyoming | Nicole Lebsack |
| Newspapers, Jackson Hole | Kerry Drake |
| Newspapers, Jackson Hole, photo controversy | Kerry Drake |
| Nichols, Lora Webb, photographer | Lori Van Pelt |
| Nicolaysen Art Museum & Discovery Center | |
| Nineteenth Amendment, ratification of by Wyoming | Rebecca Hein |
| Ninth Crossing, Sweetwater River | WyoHistory.org |
| Niobrara County, Wyoming | Nicole Lebsack |
| Nordic Ski Trails, Casper Mountain, Wyoming | |
| North Platte River Basin | Emilene Ostlind |
| North Platte River crossings; Oregon Trail sites of | WyoHistory.org |
| Northern Arapaho Tribe, 1905 Land Cession Agreement | WyoHistory.org |
| Northern Arapaho, arrival of on Shoshone Reservation, 1878 | WyoHistory.org |
| Northern Utilities, Casper Star-Tribune and | Kerry Drake |
| Nye, Bill, 1880s Laramie Boomerang editor and humorist | Charles E. Rankin |
