| Title | Author |
|---|---|
| Red Gulch Dinosaur Tracksite | |
| Red Onion Museum | |
| Reeb, James, civil rights martyr | Phil White |
| Reel, Estelle | Kerry Drake |
| Refinery business, Wyoming | Tom Mast |
| Register Cliff | |
| Register Cliff | WyomingHeritage.org, Wyoming State Historic Preservation Office |
| Reliance Tipple | |
| Reliance, Wyoming | Dick Blust, Jr. |
| Reshaw's Bridge |