| Birth Date: | 29 September 1905 |
| Birth Place: | Newton Abbot, England |
| Death Place: | Pretoria, South Africa |
Edith May Mayne (29 September 1905 - 7 May 1953), later known by her married name Edith Peacock, was an English freestyle swimmer from Newton Abbot, Devon,[1] who broke the world record in the women's 1500-metre freestyle on 15 September 1926 in Exmouth, Devon, clocking 24:00.2. She represented Great Britain in the 400-metre freestyle event at the 1928 Summer Olympics in Amsterdam, Netherlands, but was eliminated in the semi-finals.