American River is a whitewater river of California.

American River may also refer to:

• American River (Agiapuk River tributary), in Alaska
• American River (Washington), a tributary of the Bumping River in Washington

• American River, South Australia, a town on Kangaroo Island in South Australia

• American Rivers, a United States environmental advocacy group
• American River College
• American River Parkway
• American River Transportation Company