E Ross Adair
- Category : 1907-births
- Type : ME
- Profile : 6/2 - Role Model / Hermit
- Definition : Single
- Incarnation Cross : LAX Confrontation 2
American lawyer and politician, elected as a Republican from Indiana's 4th congressional district to the Eighty-second and to the nine succeeding Congresses (3 January 1951 – 3 January 1971). He was an unsuccessful candidate for reelection in 1970 to the Ninety-second Congress. He served as the United States Ambassador to Ethiopia from 1971 to 1974.
He died in Fort Wayne, Indiana, on 5 May 1983 aged 75.