William Aldwin Soames (10 July 1850 – 27 December 1916) was an English cricketer. Soames was a right-handed batsman. He was born at Brighton, Sussex, and was educated at Brighton College, which his father, William Aldwin Soames, had founded in 1845, and at Trinity College, Cambridge. He died at Bank station in the City of London on 27 December 1916. His brother, Henry, played first-class cricket for Hampshire.