Lieutenant-General Benjamin Bloomfield, 1st Baron Bloomfield GCB GCH (13 April 1768 – 15 August 1846) was Private Secretary to the Sovereign 1817–1822. Bloomfield was born in 1768, the son of John Bloomfield and Anne Charlotte Waller. and educated at the Royal Military Academy Woolwich. He joined the Royal Artillery and was commissioned as a Second Lieutenant in 1781. He served in Newfoundland, Gibraltar, and at Brighton in 1806, where, as a brevet Major, he was in charge of a troop of the Royal Horse Artillery (he was also appointed a Gentleman in Waiting in that year). In 1814 he was promoted to Major-General. By 1826 he was Commanding Officer of the garrison at Woolwich. He became Colonel Commandant of the Royal Horse Artillery.