Mu
- Muckalee Creek - Georgia
- Mud River - Kentucky
- Mud River - West Virginia
- Muddy Creek - Colorado
- Muddy Creek - Utah
- Muddy River - Nevada
- Mukwonago River - Wisconsin
- Mulberry Creek - Alabama
- Mulberry Fork of the Black Warrior River - Alabama
- Mulberry River - Arkansas
- Mulchatna River - Alaska
- Mullet River - Wisconsin
- Mullica River - New Jersey
- Mumford River - Massachusetts
- Muncy Creek - Pennsylvania
- Murderkill River - Delaware
- Muscatatuck River - Indiana
- Musconetcong River - New Jersey
- Muskegon River - Michigan
- Muskingum River - Ohio
- Musselshell River - Montana
- Mustinka River - Minnesota
Read more about this topic: List Of Rivers Of The United States: M