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 9 June 1855 between the United States and members of the Walla, Cayuse, and Umatilla tribes. It lies in north ...

, 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 ...

, 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 Americans of the United States, Native American tribes who traditionally inhabited the Columbia River Plate ...

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

Places

Umatilla County, Oregon Umatilla County () is one of the List of counties in Oregon, 36 counties in the U.S. state of Oregon. The population of 81,826 ranks it as the 14th largest in Oregon, and largest in Eastern Oregon. Hermiston, Oregon, Hermiston is the largest ci ...

, 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 Lake County, Florida, United States. The population was 3,685 at the 2020 census. Umatilla is known as the Gateway to the Ocala National Forest, located in northern Lake County. History The city was named after Umatilla, ...

, 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, Umatilla County, Oregon, United States. drainage basin, Draining a basin of , it enters the Columbia near the city of Umatilla, Oregon, Umatilla in the ...

, 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 storag ...

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