Umatilla
Umatilla is the name of a North American Indian tribe - see Umatilla
Derived from various geographic features were named:
- Umatilla River, left tributary of the Columbia River
- Umatilla County
- Umatilla (Florida), place in Florida
- Umatilla (Oregon ), location on the Columbia River
- Umatilla National Forest
- Lake Umatilla, the reservoir of John Day Dam
- Umatilla Chemical Depot, is one of five camps for chemical weapons in the United States
- Disambiguation