| Birth Date: | 27 March 1907 |
Mary Esther Bedford (27 March 1907 - 8 September 1997 in Durban) was a South African freestyle swimmer who competed in the 1928 Summer Olympics.
In 1928 she was a member of the South African relay team which won the bronze medal in the 4 × 100 m freestyle relay event. She also competed in the 400 metre freestyle competition, but was eliminated in the first round.