Thomas Allen "Tom" Coburn, M.D. (Doctor of Medicine) (born March 14, 1948), is an American (United States) politician, medical doctor (Physician), and ordained Southern Baptist deacon. A member of the Republican Party (United States Republican Party), he currently serves as the junior (senate seniority) U.S. Senator (United States Senate) from Oklahoma.

Coburn was elected to the U.S. House of Representatives in 1994 (United States House of Representatives elections, 1994) as part of the Republican Revolution. He upheld his campaign pledge (campaign promise) to serve no more than three consecutive terms and did not run for re-election in 2000 (United States House of Representatives elections, 2000). In 2004 (United States Senate elections, 2004), he returned to political office with a successful run for the U.S. Senate.

Coburn is a fiscal (fiscal conservatism) and social conservative (social conservatism), known for his opposition to deficit spending and pork barrel projects, and for his leadership in the pro-life movement. He supports term limits, gun rights, and the death penalty and opposes gay marriage.