R
- Racer
- Bimini racer
- Buttermilk racer
- Eastern racer
- Eastern yellowbelly sad racer
- Mexican racer
- Southern black racer
- Tan racer
- West Indian racer
- Rat snake
- Baird's rat snake
- Beauty rat snake
- Great Plains rat snake
- Green rat snake
- Japanese forest rat snake
- Japanese rat snake
- King rat snake
- Mandarin rat snake
- Persian rat snake
- Twin-spotted rat snake
- Yellow-striped rat snake
- Rattlesnake
- Arizona black rattlesnake
- Aruba rattlesnake
- Chihuahuan ridge-nosed rattlesnake
- Coronado Island rattlesnake
- Durango rock rattlesnake
- Dusky pigmy rattlesnake
- Eastern diamondback rattlesnake
- Grand Canyon rattlesnake
- Great Basin rattlesnake
- Hopi rattlesnake
- Lance-headed rattlesnake
- Long-tailed rattlesnake
- Massasauga rattlesnake
- Mexican green rattlesnake
- Mexican west coast rattlesnake
- Midget faded rattlesnake
- Mojave rattlesnake
- Northern black-tailed rattlesnake
- Oaxacan small-headed rattlesnake
- Rattler
- Red diamond rattlesnake
- Southern Pacific rattlesnake
- Southwestern speckled rattlesnake
- Tancitaran dusky rattlesnake
- Tiger rattlesnake
- Timber rattlesnake
- Tropical rattlesnake
- Twin-spotted rattlesnake
- Uracoan rattlesnake
- Western diamondback rattlesnake
- Ribbon snake
- Rinkhals
- River jack
Read more about this topic: List Of Snakes By Common Name