Byron Russell (1884–1963) was an Irish-born character actor, best known for is performance as Quintal in the 1935 film Mutiny on the Bounty.

Russell's first film appearance was in the silent 1920 film The World and His Wife, and he appeared in eleven films prior to the outbreak of World War II, often playing authority figures. After the war, Russell turned his attention to television work, appearing in numerous roles, predominantly in televised plays, between 1949 and 1960.

Russell also appeared on the Broadway stage from 1913 until 1959, notably in the 1929 revival of Eugene O'Neill's Glencairn series of plays.