| Bill Thomas | |
| Fullname: | William David Thomas |
| Birth Date: | 10 November 1886 |
| Birth Place: | Melbourne, Victoria |
| Death Place: | Windsor, Victoria |
| Originalteam: | Carlton District/Rose of Northcote |
| Height: | 178 cm |
| Weight: | 77 kg |
| Statsend: | 1919 |
| Years1: | 1905–1913 |
| Club1: | South Melbourne |
| Games Goals1: | 135 (2) |
| Years2: | 1914–1916; 1919 |
| Club2: | Richmond |
| Games Goals2: | 62 (3) |
| Games Goalstotal: | 197 (5) |
| Coachyears1: | 1910–1911 |
| Coachclub1: | South Melbourne |
| Coachgames Wins1: | 39 (26–12–1) |
| Careerhighlights: |
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William David Thomas (10 November 1886 – 8 October 1974)[1] was an Australian rules footballer who played for the South Melbourne Football Club in the Victorian Football League (VFL) between 1906 and 1913 and then for the Richmond Football Club from 1914 to 1916 and again in 1919. His son Len Thomas was a premiership player for South Melbourne.
"Son", as he was nicknamed, was captain-coach of South Melbourne in 1910 and 1911 and was captain of Richmond for every game he played for them.