Adair

Adair may refer to:

A County

 * Adair County, Iowa
 * Adair County, Kentucky
 * Adair County, Missouri
 * Adair County, Oklahoma

A Populated Place

 * Adair, Iowa, a city in Adair County
 * , a city in both Adair and Guthrie Counties
 * Adair, St. Clair County, Michigan an unincorporated community in Casco Township
 * Adair, Mississippi, a place in Carroll County
 * , a town in Mayes County
 * Adair Village, Oregon, a city
 * Adair, Tennessee, a place in Madison County
 * , a town in Mayes County
 * Adair Village, Oregon, a city
 * Adair, Tennessee, a place in Madison County

A Military Facility

 * , a closed United States Air Force station near Corvallis, Oregon
 * , Corvallis, Oregon, a United States Army training facility from 1942 to 1946
 * , a late 18th century stockade fortification and supply depot north of Knoxville, Tennessee