William Strang (February 13, 1859–April 12, 1921) was a Scottish painter and printmaker born in Dumbarton. He studied at the Slade School of Fine Art under Alphonse Legros and died in Bournemouth.

Strang produced etchings, portraits and book illustrations. His prints include Death of the Ploughman’s Wife (1888) and The Socialists (1891), and he illustrated The Ancient Mariner (1896) and Don Quixote (1902). Around 1900 he devoted more attention to painting.

Strang exhibited at the Royal Academy from 1892 and the New English Art Club from 1893. He joined the Royal Society of Portrait Painters in 1896, became an Associate of the Royal Academy in 1906 and a Royal Academician in 1921, and served as president of the International Society of Sculptors, Painters and Gravers from 1918.