William Hamilton Nisbet (1747 – 17 July 1822) was a British politician.
On 31 January 1777, he married Mary Manners, daughter of Lord Robert Manners. They had one child:
| Parliament of Great Britain | ||
|---|---|---|
| Preceded by Sir George Suttie |
Member of Parliament for Haddingtonshire 1777–1780 |
Succeeded by Hew Dalrymple |
| Preceded by George Medley Richard Ford |
Member of Parliament for East Grinstead 1790–1796 With: Nathaniel Dance |
Succeeded by Nathaniel Dance James Strange |
| Preceded by Jervoise Clarke Jervoise Edward Rushworth |
Member of Parliament for Newport 1796–1800 With: Andrew Strahan |
Succeeded by Andrew Strahan Sir George Dallas, Bt |