Jon Llewellyn Kyl (born April 25, 1942, Oakland, Nebraska) is a Republican Senator, representing Arizona.

Jon Kyl went to the University of Arizona, and graduated with honors. His wife is Caryll Collins, and they have two children and four grandchildren. Before entering into politics, he was a lawyer with Jennings, Strouss & Salmon in Phoenix, Arizona. His father was John Kyl, a US Representative for Iowa.

He served in the House of Representatives from 1987-1995. He was elected to the Senate in 1994 and re-elected to the Senate in 2000.

He promotes lower taxes, national defense, tough crime and drug laws, victims rights, health care, and education. He is a member of the Senate Judiciary committee, Finance committee, Energy and Natural Resources, and Intelligence Committee. He is also chairman of the Steering Committee, as well as chairman of that gracefully named committee, the Committee on Committees.