Emily Sisson (born October 12, 1991) is a professional runner for New Balance in Phoenix, Arizona. Emily Sisson was 9th at the 2017 London IAAF World Outdoor Track and Field Championships for 10,000 meters, and won the USATF road 10k Championships in 2016 and 5k in 2018. In the 2019 London Marathon, her first try at the distance, she placed 6th in a time of 2:23:08. In December 2020, she ran the Valencia Half-Marathon in 1:07:26, narrowly missing the American record set by Molly Huddle in Houston on January 14, 2018. Sisson subsequently qualified to compete at the 2020 Olympics in the 10,000 m run, by coming in 1st place at the US Olympic Trials; she finished 10th at the event.