Austin Katz (born March 19, 1999) is an American competitive swimmer who specializes in backstroke events. He is a World University Games gold medalist and a Pan Pacs bronze medalist. At the 2020 US Olympic Trials, Katz placed third in the 200m backstroke behind Ryan Murphy and Bryce Mefford, just missing out on an Olympic berth by one place. From 2017 to 2021, Katz swam collegiately for the University of Texas at Austin where he was a three-time NCAA champion and the current American record-holder in the 4×200-yard freestyle relay.