| Bill Devan | |
| Fullname: | William Gemmell Devan |
| Birth Date: | 23 February 1909 |
| Birth Place: | Whitletts, Ayrshire, Scotland |
| Death Place: | Paddington, London, England |
| Height: | 5 ft 8 in[1] |
| Position: | Inside forward |
| Years1: | 1928–1929 |
| Caps1: | 2 |
| Goals1: | 0 |
| Years2: | 1929–1931 |
| Clubs2: | Ards |
| Years3: | 1931 |
| Clubs3: | Sanquhar |
| Years4: | 1931–193x |
| Years5: | 193x–1933 |
| Years6: | 1933–1938 |
| Caps6: | 90 |
| Goals6: | 33 |
William Gemmell Devan (23 February 1909 – 12 December 1966) was a Scottish professional footballer. He played as an inside forward in the English Football League, Scottish Football League[2] and Irish Football League. He played four games, scoring once, during Watford's run in the 1937 Football League Third Division South Cup, but did not play in the final itself. He retired due to injury in 1938, but returned to Watford as a coach in 1958.