| Hill, Nancy Jane, Oregon Trail grave of | Randy Brown |
| Historic Cody Mural and Museum | |
| Historic Downtown Evanston | |
| Historical marking, history of in Wyoming | Kylie Louise McCormick, The Wyoming Monuments and Markers Program |
| Hogadon Basin Ski Area, Casper Mountain, Wyo. | |
| Hole-in-the-Wall | |
| Hollibaugh, Rachel Walker, Cokeville survivor oral history | Wyoming State Archives |
| Homesteader Museum | |
| Homsley, Mary, pioneer grave of | |
| Homsley, Mary, pioneer grave of | Randy Brown |
| Hoofprints of the Past Museum | |
| Hoover, Herbert | Rebecca Hein |
| Hopkins, George, Devils Tower parachutist | Abby Dotterer |
| Horn, Tom | Chip Carlson |
| Horn, Tom - Important sites | |
| Horse Creek Treaty Historical Markers | |
| Horse Creek Treaty, 1851 | Lesley Wischmann |
| Hot Springs County, Wyoming | Annette Hein |
| Hot Springs State Park | |
| Hot Springs, at Thermopolis, Wyo., sale of by Eastern Shoshone and Northern Arapaho tribes | WyoHistory.org |
| Hotel LaBonte | |
| Hotel LaBonte | Stephanie Lowe |
| Hotel Wolf | |
| Hotel Wolf | Lori Van Pelt |
| Hotel, Mountain View | Wyoming State Historic Preservation Office |
| House of Representatives, Wyoming, Riot of 1913 | Gregory Nickerson |
| Houx, Frank | Wyoming State Archives |
| Hoyt, John | Wyoming State Archives |
| Huidekoper, Virginia, Jackson Hole News co-founder | Kerry Drake |
| Hulett Museum & Art Gallery | |
| Hunt, Lester | Wyoming State Archives |
| Hunt, Lester, Wyoming governor and U.S. senator | Rodger McDaniel |
| Huntington, Gertrude, business manager of Platte Valley Lyre | Lori Van Pelt |
| Huntington, Laura, editor and publisher of Platte Valley Lyre | Lori Van Pelt |
| Huntley, Wyoming; Jewish Farm Families of | Carl V. Hallberg |
| Hunton, John, Diaries | L.G. “Pat” Flannery, Michael Griske |
