| Ern Williamson | |
| Fullname: | Ernest Stanley Williamson |
| Birth Date: | 26 May 1880 |
| Birth Place: | Guildford, Victoria |
| Death Place: | Elsternwick, Victoria |
| Originalteam: | Kerang |
| Statsend: | 1906 |
| Years1: | 1906 |
| Games Goals1: | 5 (0) |
Ernest Stanley Williamson (26 May 1880 – 16 December 1967) was an Australian rules footballer who played with St Kilda in the Victorian Football League (VFL).[1]