"Lord Somerset" may refer to:
- Any of the Dukes of Somerset including the Earls of Somerset, notably:
- Edward Seymour, 1st Duke of Somerset (c. 1500–1552), Lord Protector
- Viscount Somerset of the Irish peerage
- Male members of the families of the Dukes of Beaufort and the Earls and Marquesses of Worcester, notably:
- Field Marshal FitzRoy Somerset, 1st Baron Raglan (1788–1855), soldier
- General Lord Charles Somerset (1767–1831), soldier, politician and colonial administrator
- General Lord Edward Somerset (1776–1842), soldier
- Rt Hon Lord Arthur Somerset (1780-1816), politician
- Lord Henry Somerset (1849–1932), politician and composer
- Lord Arthur Somerset (1851-1926), soldier, linked with scandal
- Lord Edward Somerset (b. 1 May 1958), and Lord John (Johnson) Somerset (b. 5 Nov 1964), music producer, sons of David Somerset, 11th Duke of Beaufort
- Reginald Birchall, who used the name "Lord Somerset" in Canada