William Edward Riley (1852 – 9 November 1937) was a British architect. He worked for twenty-two years in the British Admiralty Works Department from 1877 until 1899 when he had reached the rank of assistant director. He was appointed chief architect to the London County Council in 1899, where he served until 1919. He went into private practice with E. B. Glanfield until retiring in 1931.[1]