| American Crow Creek | |
| Name Other: | Tributary to Missouri River |
| Pushpin Map: | South Dakota#USA |
| Pushpin Map Caption: | Location of American Crow Creek mouth |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | South Dakota |
| Subdivision Type3: | County |
| Subdivision Name3: | Lyman |
| Subdivision Type4: | Town |
| Subdivision Name4: | Oacoma |
| Length: | 26.64miles[1] |
| Discharge1 Location: | Missouri River |
| Discharge1 Avg: | 10.29cuft/s at mouth with Missouri River[2] |
| Source1: | Counselor Creek divide |
| Source1 Location: | about 0.5 miles east of Medicine Butte |
| Source1 Coordinates: | 43.9658°N -99.6012°W |
| Source1 Elevation: | 2100feet |
| Mouth: | Missouri River |
| Mouth Location: | Oacoma, South Dakota |
| Mouth Coordinates: | 43.7825°N -99.4069°W |
| Mouth Elevation: | 1355feet |
| Progression: | Missouri River → Mississippi River → Gulf of Mexico |
| River System: | Missouri River |
| Tributaries Left: | North Fork American Crow Creek |
| Tributaries Right: | Big Creek |
| Bridges: | SD 47, 238th Street, 329th Avenue (x2), 241st Street, 242nd Street, 243rd Street, Service Road, I-90 |
American Crow Creek is a stream in the U.S. state of South Dakota.
According to tradition, American Crow Creek received its name directly from Lewis and Clark.[3]