| Herbert McWilliams | |
| Nationality: | South African |
| Sport: | Sailing |
| Birth Date: | 11 June 1907 |
| Birth Place: | Port Elizabeth, South Africa |
| Death Place: | Port Elizabeth, South Africa |
Herbert McWilliams (11 June 1907 - 11 February 1995) was a South African sailor. He competed in the Firefly event at the 1948 Summer Olympics.[1]