Flat Creek
- Flat Creek (Bourbeuse River)
- Flat Creek (Chattahoochee River)
- Flat Creek (Columbia River)
- Flat Creek (Deep River tributary)
- Flat Creek (James River)
- Flat Creek (Lake Lanier)
- Flat Creek (Lamine River)
- Flat Creek (Little Black River)
- Flat Creek (Little River tributary)
- Flat Creek (Meramec River)
- Flat Creek (Middle Fork Salt River)
- Flat Creek (Mohawk River tributary)
- Flat Creek (Stewarts Creek tributary)
- Flat Creek (Swannanoa River tributary)
- Flat Creek (Virginia)
- Flat Creek Ranch
- Flat Creek Township, Barry County, Missouri
- Flat Creek Township, Pettis County, Missouri
- Flat Creek, Idaho
- Flat Creek, North Carolina
- Flat Creek, Prince Edward Island
- Flat Creek, Tennessee
- List of communities in Yukon
- Ocmulgee River
- Snake River