| Williamstown Victoria—Legislative Assembly | |
|---|---|
_2022.svg) Location of Williamstown (dark green) in Greater Melbourne | |
| State | Victoria |
| Created | 1856 |
| MP | Melissa Horne |
| Party | Labor Party |
| Electors | 45,965 (2022) |
| Area | 51.54 km2 (19.9 sq mi) |
| Demographic | Inner metropolitan |
Willamstown is an electoral district of Victoria. It was created in 1856. It is in the Western Metropolitan Region.
Williamstown is in Melbourne. It is one of only three Victorian state electorates to have been contested at every election, the other two being Brighton and Richmond.