William Henry Pettett | |
|---|---|
 | |
| 3rd Mayor of Hawthorn | |
| In office 1863–1864 | |
| Preceded by | Dugald McDougall |
| Succeeded by | Lauchlan Mackinnon |
| Member of the Victorian Legislative Council for Southern Province | |
| In office 1 November 1864 – 1 December 1871 | |
| Preceded by | Thomas Power |
| Succeeded by | Thomas Ferrier Hamilton |
| Personal details | |
| Born | 4 September 1814 Greenwich, London, England |
| Died | 2 December 1871 (aged 57) Warra Warra Station, Victoria, Australia |
William Henry Pettett (4 September 1814 - 2 December 1871) was an English-born Australian politician who served as the Mayor of Hawthorn and as a member of the Legislative Council of Victoria for Southern Province.