Lionel Godfrey Pearson (29 October 1879–19 March 1953) was a British architect, best known for the Grade I listed Royal Artillery Memorial, which he designed with the sculptor Charles Sargeant Jagger. Pearson was educated at Manchester Grammar School. He trained in Liverpool and then practiced in London, where from 1913, he worked in partnership with Henry Percy Adams and Charles Holden. Earlier work in London from 1901 was with Edward Schroeder Prior. During the First World War, he served in the Royal Army Medical Corps. He was the architect of Stanley Spencer's Sandham Memorial Chapel.