| Billy Sarll | |
| Fullname: | William Maynard Sarll |
| Birth Date: | 9 October 1899 |
| Birth Place: | Longwarry, Victoria |
| Death Place: | Heidelberg, Victoria |
| Originalteam: | Warrnambool |
| Statsend: | 1920 |
| Years1: | 1920 |
| Games Goals1: | 4 (2) |
William Maynard Sarll (9 October 1899 – 6 June 1982) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).[1]