Bi
- Big River - California
- Big River - Missouri
- Big River - New Hampshire
- Big River - Oregon
- Big River - Rhode Island
- Big River - Wisconsin
- Big Black River - Mississippi
- Big Blue River - Indiana
- Big Blue River - Nebraska, Kansas
- Big Chico Creek - California
- Big Coal River - West Virginia
- Big Darby Creek - Ohio
- Big Green River - Wisconsin
- Big Hole River - Montana
- Big Lost River - Idaho
- Big Muddy Creek - Montana
- Big Muddy River - Illinois
- Big Pine Creek - Indiana
- Big Rib River - Wisconsin
- Big Quilcene River - Washington
- Big Sandy Creek - Montana
- Big Sandy Creek - West Virginia
- Big Sandy River - Arizona
- Big Sandy River - Kentucky, West Virginia
- Big Sandy River - Tennessee
- Big Sandy River - Wyoming
- Big Sioux River - South Dakota, Iowa
- Big South Fork of the Cumberland River - Tennessee, Kentucky
- Big Sugar Creek - Missouri
- Big Sur River - California
- Big Thompson River - Colorado
- Big Wood River - Idaho
- Bighorn River - Wyoming, Montana
- Bill Williams River - Arizona
- Birch Creek - Alaska
- Birch Creek - Montana
- Birch River - West Virginia
- Bitter Creek - Wyoming
- Bitterroot River - Montana
Read more about this topic: List Of Rivers Of The United States: B