| Cody, Wyoming | Lynn Johnson Houze |
| Coe Library, University of Wyoming | |
| Cokeville Elementary School | |
| Cokeville Elementary School Bombing | Jessica Clark |
| Cokeville survivor oral history, Carol Petersen | Wyoming State Archives |
| Cokeville survivor oral history, Glenna Walker | Wyoming State Archives |
| Cokeville survivor oral history, Jamie Buckley King | Wyoming State Archives |
| Cokeville survivor oral history, Janel Dayton | Wyoming State Archives |
| Cokeville survivor oral history, Kathy Davison | Wyoming State Archives |
| Cokeville survivor oral history, Kevin Walker | Wyoming State Archives |
| Cokeville survivor oral history, Kliss Sparks | Wyoming State Archives |
| Cokeville survivor oral history, LeaKae Roberts Weston | Wyoming State Archives |
| Cokeville survivor oral history, Rachel Walker Hollibaugh | Wyoming State Archives |
| Cokeville survivor oral history, Rich Haskell | Jessica Clark |
| Cokeville survivor oral history, Ron Hartley | Wyoming State Archives |
| Cokeville survivor oral history, Tina Cook | Wyoming State Archives |
| Colby Mammoth Site | WyomingHeritage.org |
| Colby Mammoth Site | |
| Cole Creek train wreck | Lori Van Pelt |
| Como Bluff | |
| Como Bluff | Stephanie Lowe |
| Connor Battlefield | WyomingHeritage.org |
| Connor Battlefield | |
| Connor, Patrick E. | Ellis Hein |
| Converse County, Wyoming | Doug McInnis |
| Cook, Tina, Cokeville survivor oral history | Wyoming State Archives |
| Coolidge, Sherman | Tadeusz Lewandowski |
| Cooper House | |
| Corum, Alfred, pioneer grave of | Randy Brown |
| Costin, James O., bank robber | Brigida R. (Brie) Blasi |
| Cottonwood Creek Dinosaur Trail | |
| Cowley Pioneer Museum | |
| Coxey’s Army in Wyoming | Brigida R. (Brie) Blasi |
| Craig Thomas Discovery and Visitor Center | |
| Crane, Arthur | Wyoming State Archives |
| Crane, Arthur, welcome of to UW campus, 1922 | Phil Roberts |
