Thomas Allen "Tom" Coburn' (born March 14, 1948) is a United States Senator, medical doctor and Southern Baptist deacon. A member of the Republican Party, he is the junior senator from Oklahoma.
Coburn was elected to the U.S. House of Representatives in 1994 as part of the Republican Revolution. He upheld his campaign pledge to serve no more than three consecutive terms and did not run for re-election in 2000. In 2004, he returned to political office with a successful run for the U.S. Senate. Coburn was re-elected to a second term in 2010 and has pledged not to seek a third term in 2016.