| Buffalo Bill Dam | |
| Buffalo Bill Historical Center | |
| Buffalo Bill State Park | |
| Buffalo Bill, Wyoming Town Founder and Irrigation Tycoon | Robert E. Bonner |
| Buffalo Soldiers, Wyoming and the West | Tom Rea |
| Bureau of Land Management | |
| Bureau of Land Management, founding of | Russel L. Tanner |
| Burlington Railroad in Wyoming | Gregory Nickerson |
| Burnt Ranch | WyoHistory.org |
| Byrd, Liz, Wyoming legislator | Lori Van Pelt |
| Byron Museum | |
| CallAir Museum | |
| Cambria Casino/Flying V Lodge | |
| Camp Monaco | |
| Camp Monaco | John Clayton |
| Campbell County Rockpile Museum | |
| Campbell County, Wyoming | Rebecca Hein |
| Campbell, John | Wyoming State Archives |
| Campbell, John, first territorial governor of Wyoming | Tom Rea |
| Campfield, Mathew, barber and Natrona County coroner | Tom Rea |
| Canary, Martha Jane | Rebecca Hein |
| Cantonment Reno | |
| Cantonment Reno | Lori Van Pelt, WyomingHeritage.org |
| Canyon Springs Stage Station marker | |
| Capitol, Wyoming State | Linda Graves Fabian, Starley Talbott |
| Carbon Cemetery | |
| Carbon Cemetery | Stephanie Lowe |
| Carbon County Museum | |
| Carbon County, Wyoming | Lori Van Pelt |
| Carbon, Wyoming | WyoHistory.org |
| Carbon, Wyoming | |
| Carey, Joseph | Wyoming State Archives |
| Carey, Robert | Wyoming State Archives |
| Carlisle, Bill | Lori Van Pelt |
| Carriage House Theatre | |
| Carson, Kit, in Wyoming and the West | Tom Rea |
