| Herb Hainsworth | |
| Fullname: | William Herbert Hainsworth |
| Birth Date: | 27 May 1881 |
| Birth Place: | Geelong, Victoria |
| Death Place: | Geelong, Victoria |
| Originalteam: | Wellington |
| Statsend: | 1902 |
| Years1: | 1902 |
| Games Goals1: | 1 (2) |
William Herbert Hainsworth (27 May 1881 – 13 February 1955) was an Australian rules footballer who played with Carlton in the Victorian Football League (VFL).[1]