| Evelyn de Lacy | |
| Fullname: | Evelyn Rose de Lacy |
| Strokes: | Freestyle |
| Club: | Bronte Amateur Swimming Club |
| Birth Date: | 21 November 1917 |
| Birth Place: | Maylands, Western Australia |
| Death Place: | Sydney, New South Wales, Australia |
Evelyn Rose de Lacy (21 November 1917 – 27 June 2004), also known by her married name Evelyn Whillier, was an Australian freestyle swimmer. As a 16-year-old on 18 December 1933 she set a Western Australian state record in the 100-yard freestyle race at Crawley Baths.[1] She later competed in the 1936 Summer Olympics and was eliminated in the semi-finals of the 100-metre freestyle event. In the 400-metre freestyle, she was eliminated in the first round.[2] At the 1938 Empire Games she won the gold medal in the 110-yard freestyle contest. She was also a member of the Australian relay teams that won the silver medal in the 4×110-yard freestyle event and the bronze medal in the 3×110-yard medley competition.