Fiona Murtagh (; born 11 July 1995) is an Irish rower. She competed in the women's coxless four event at the 2020 Summer Olympics and won a bronze medal. Murtagh attended Fordham University from 2012 to 2016 on a rowing scholarship. Along with her team-mates, she was named as the Irish Times/Sport Ireland Sportswoman for July 2021.