William Dundas (1762–1845) was a Scottish politician.
The son of Robert Dundas, of Arniston, the younger, he became a barrister at Lincoln's Inn in 1788. He was Member of Parliament (MP) for the Anstruther Burghs from 1794 to 1796, for the Northern Burghs from 1796 to 1802, for Sutherland in 1802 and 1806, for Cullen in 1810 and Edinburgh from 1812 to 1831.
He appointed a Privy Counsellor in 1800 and was Secretary at War from 1804 to 1806. He was a Lord Commissioner of the Admiralty in 1812. He was appointed Keeper of the Signet in 1814 and Lord Clerk Register in 1821.
| Parliament of Great Britain | ||
|---|---|---|
| Preceded by Robert Anstruther |
Member of Parliament for Anstruther Burghs 1794 – 1796 |
Succeeded by John Anstruther |
| Preceded by Sir Charles Lockhart-Ross, Bt. |
Member of Parliament for Northern Burghs 1796 – 1801 |
Succeeded by Parliament of the United Kingdom |
| Parliament of the United Kingdom | ||
| Preceded by Parliament of Great Britain |
Member of Parliament for Northern Burghs 1801 – 1802 |
Succeeded by John Charles Villiers |
| Preceded by James Grant |
Member of Parliament for Sutherland 1802 – 1808 |
Succeeded by John Randoll Mackenzie |
| Preceded by Archibald Campbell Colquhoun |
Member of Parliament for Elgin Burghs 1810–1812 |
Succeeded by Archibald Campbell |
| Preceded by Sir Patrick Murray |
Member of Parliament for Edinburgh 1812–1831 |
Succeeded by Robert Adam Dundas |
| Political offices | ||
| Preceded by Charles Bragge |
Secretary at War 1804–1806 |
Succeeded by Richard Fitzpatrick |
| Preceded by Archibald Colquhoun |
Lord Clerk Register 1821–1841 |
Succeeded by The Marquess of Dalhousie |