Lieutenant-General Edward Arthur Somerset CB (2 February 1817 – 12 March 1886) was a British soldier and Conservative Party politician, the son of Lord Robert Somerset.
Somerset unsuccessfully contested Monmouthshire in 1847, but was returned as its Member of Parliament (MP) in 1848, and continued to represent it as a Conservative until accepting the Stewardship of the Manor of Hempholme on 23 June 1859.
He was afterwards made a Knight 5th Class of the Medjidie, and awarded the CB in 1857.
He was returned as member of parliament for West Gloucestershire in 1867, but was defeated the following year.
He resigned the colonelcy in 1883 when he went on the retired list, but was colonel-commandant of the 1st Battaltion, King's Royal Rifle Corps from 1884 until his death in 1886.