Lieutenant-General of the British Army William Seymour (8 February 1664 – 9 or 10 February 1728) was a British soldier and politician. He was the second son of Sir Edward Seymour, 4th Baronet, the prominent Tory.
On 3 October 1694, he took command as Colonel of the former Lord Cutts' Regiment of Foot. It was converted to a Marine regiment on 31 July 1698; he remained in command until it was disbanded on 20 May 1699. From 1 March 1701 until 12 February 1702 he was Colonel of the former Sir Edward Dering's Regiment of Foot, and was then appointed Colonel of The Queen's Regiment of Foot. He commanded it until 25 December 1717; it was a Marine regiment from 1703 until 1710. On 1 June 1702, he was appointed Brigadier-General of the Marine Regiments, which had that year been reformed for the War of the Spanish Succession.
| Parliament of England | ||
|---|---|---|
| Preceded by Sir Charles Gerard, Bt Goodwin Wharton |
Member of Parliament for Cockermouth with George Fletcher 1698–1702 Thomas Lamplugh 1701–1702 1698–1702 |
Succeeded by Thomas Lamplugh James Stanhope |
| Preceded by Thomas Coulson Sir Christopher Musgrave, Bt |
Member of Parliament for Totnes with Thomas Coulson 1702–1705 |
Succeeded by Thomas Coulson Sir Humphrey Mackworth |
| Parliament of Great Britain | ||
| Preceded by William Stephens John Richmond Webb |
Member of Parliament for Newport with William Stephens 1710–1713 |
Succeeded by William Stephens John Richmond Webb |
| Military offices | ||
| Preceded by John Cutts |
Colonel of William Seymour's Regiment of Foot (Regiment of Marines 1698) 1694–1699 |
Disbanded |
| Preceded by The Marquis de Puisar |
Colonel of William Seymour's Regiment of Foot 1701–1702 |
Succeeded by The Duke of Marlborough |
| Preceded by Henry Trelawny |
Colonel of The Queen's Regiment of Foot (Regiment of Marines 1703–1710) 1702–1717 |
Succeeded by Hon. Henry Berkeley |