Somerset Archibald Beaumont DL, FRGS (6 February 1835 – 8 December 1921) was a British Liberal politician.
Beaumont was the third son of the politician Thomas Wentworth Beaumont and his wife Henrietta Jane Emma Hawks Atkinson, daughter of John Atkinson.[1] His younger brother was Wentworth Beaumont, 1st Baron Allendale.[1] Beaumont was educated at Harrow School and then at Trinity College, Cambridge.