John Henry Rutherford (; born September 2, 1952) is an American politician and former police officer serving as the U.S. representative from Florida's 5th congressional district since 2017. His district encompasses most of Jacksonville and most of its suburbs in Nassau and St. Johns counties, including St. Augustine. Rutherford was an officer with the Jacksonville Sheriff's Office for four decades, before being elected Duval County sheriff in 2003; he remained in that post until 2015. In 2016, he ran for the House of Representatives in what was at the time Florida's 4th congressional district. He won the election and was reelected in 2018, 2020, and 2022. Rutherford is a Republican.