Ra
- Rabbit River - Michigan
- Raccoon Creek - New Jersey
- Raccoon Creek - Beaver County, Pennsylvania
- Raccoon Creek - Erie County, Pennsylvania
- Raccoon River - Iowa
- Raft River - Utah, Idaho
- Raging River - Washington
- Rahway River - New Jersey
- Rainbow River - Florida
- Rainy River - Minnesota
- Ramapo River - New York, New Jersey
- Rancocas Creek - New Jersey
- Rangeley River - Maine
- Rapid Creek - South Dakota
- Rapid River - Maine
- Rapid River - Delta County, Michigan (Upper Peninsula)
- Rapid River - Kalkaska County, Michigan (Lower Peninsula)
- Rapid River - Ontonagon County, Michigan (Upper Peninsula)
- Rapidan River - Virginia
- Rappahannock River - Virginia
- Raquette River - New York
- Raritan River - New Jersey
- Raspberry River - Wisconsin
- Rattle River - New Hampshire
- Rattlesnake Creek - Ohio
- Rattlesnake River - New Hampshire
- Raystown Branch Juniata River - Pennsylvania
Read more about this topic: List Of Rivers Of The United States: R