Br
- Braden River - Florida
- Branch River - New Hampshire
- Branch River - Rhode Island
- Branch River - Wisconsin
- Brandywine Creek (Broken Sword Creek) - Crawford County, Ohio
- Brandywine Creek (Christina River) - Delaware, Pennsylvania
- Brandywine Creek (Cuyahoga River) - Summit County, Ohio
- Brays Bayou - Texas
- Brazos River - Texas
- Breitenbush River - Oregon
- Bremner River - Alaska
- Bridge Creek - Oregon
- Brill River - Wisconsin
- Broad River - Georgia
- Broad River - North Carolina, northern South Carolina
- Broad River - coastal South Carolina
- Broadkill River - Delaware
- Broglen River - Alabama
- Brokenstraw Creek - New York, Pennsylvania
- Bronx River - New York
- Browns River - New Hampshire
- Browns River - Vermont
- Brule River - Michigan, Wisconsin
- Bruneau River - Idaho
- Brunet River - Wisconsin
Read more about this topic: List Of Rivers Of The United States: B