| Bill Lewis | |
| Fullname: | William Lachlan Mark Lewis |
| Birth Date: | 15 September 1874 |
| Birth Place: | Hamilton, Victoria |
| Death Place: | Kalgoorlie, Western Australia[1] |
| Originalteam: | Richmond City |
| Statsend: | 1900 |
| Years1: | 1900 |
| Games Goals1: | 15 (9) |
William Lachlan Mark Lewis (15 September 1874 - 10 May 1940) was an Australian rules footballer who played with Carlton in the Victorian Football League (VFL).