Umatilla may refer to:

Umatilla people and culture

Umatilla people The Umatilla are a Sahaptin-speaking Native American tribe who traditionally inhabited the Columbia Plateau region of the northwestern United States, along the Umatilla and Columbia rivers."Umatilla," in Barbara A. Leitch, ''A Concise Dictionar ...

, a Native American tribe from Oregon *

Umatilla Indian Reservation The Umatilla Indian Reservation is an Indian reservation in the Pacific Northwest of the United States. It was created by The Treaty of June 9, 1855 between the United States and members of the Walla, Cayuse, and Umatilla tribes. It lies in nort ...

, an Indian reservation in Oregon *

Umatilla language Umatilla (Tamalúut or Imatalamłaamí Sɨ́nwit) is a variety of Southern Sahaptin, part of the Sahaptian subfamily of the Plateau Penutian group. It was spoken during late aboriginal times along the Columbia River and is therefore also called Co ...

, a Native American language from the Plateau Penutian group *

Confederated Tribes of the Umatilla Indian Reservation The Confederated Tribes of the Umatilla Indian Reservation are the federally recognized confederations of three Sahaptin-speaking Native American tribes who traditionally inhabited the Columbia River Plateau region: the Cayuse, Umatilla, and ...

, a Native American tribal entity in the U.S. state of Oregon

Places

Umatilla County, Oregon Umatilla County () is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 80,075. Hermiston is the largest city in Umatilla County, but Pendleton remains the county seat. Umatilla County is part of ...

, a county in Oregon *

Umatilla, Oregon Umatilla (, ) is a city in Umatilla County, Oregon, United States. The population in 2010 was 6,906, but the city's population includes approximately 2,000 inmates incarcerated at Two Rivers Correctional Institution. Umatilla is part of the ...

, a city located in Umatilla County, Oregon *

Umatilla, Florida Umatilla is a city in central Florida and it is in northern Lake County, Florida, United States. The population was 3,456 at the 2010 census and an estimated 3,805 in 2018. Umatilla is known as the Gateway to the Ocala National Forest, located in ...

, a city in Lake County, in the U.S. state Florida *

Umatilla River The Umatilla River is an tributary of the Columbia River in northern Umatilla County, Oregon, United States. Draining a basin of , it enters the Columbia near the city of Umatilla in the northeastern part of the state. In downstream order, begi ...

, a river in Oregon *

Umatilla Chemical Depot The Umatilla Chemical Depot, (UMCD) based in Umatilla, Oregon, was a U.S. Army installation in the United States that stored chemical weapons. The chemical weapons originally stored at the depot consisted of various live munitions and storage con ...

, a U.S. Army facility near the city of Umatilla, Oregon {{disambig