Bill Ketron, Jr. (born September 4, 1953) is a Tennessee politician who is currently the Mayor of Rutherford County, previously serving as a member of the Tennessee Senate for the 13th district, which was composed of Lincoln, Marshall, and Maury counties, as well as part of Rutherford County from 2003 to his resignation in 2018. He won the August 2 general election for mayor and assumed office on September 1, 2018, resigning from the Senate on the previous day. In the May 3, 2022 Republican primary, Ketron lost reelection to former state representative Joe Carr, who went on to win the general election to succeed him.