Sigrid Sepp (born 2 July 1998) is an Estonian swimmer.
She competed in the women's 50 metre backstroke event at the 2017 World Aquatics Championships.
She is 24-time long course and 15-time short course Estonian swimming champion.
She has broken 8 Estonian records in swimming.Sepp currently attends the University of Hawaii, where she is a member of their swimming and diving team.