| Birth Date: | 21 April 1902 |
| Birth Place: | Holland Park in London, Great Britain |
| Death Date: | 1 September 1989 (aged 87) |
| Death Place: | Jersey |
| Sport: | Athletics |
| Event: | 100 m, 200 m |
| Club: | Polytechnic Harriers, London |
| Pb: | 100 m – 10.8 (1926) 200 m – 21.8ye (1928) |
| Show-Medals: | yes |
Cyril William Gill (21 April 1902 – 1 September 1989) was a British sprinter who competed at the 1928 Summer Olympics in Amsterdam, the Netherlands. He won a bronze medal in the 4 × 100 m relay, together with Edward Smouha, Walter Rangeley and Jack London, and failed to reach the finals of the 100 m and 200 m events.