George Cassidy may refer to: George W. Cassidy (1836–1892), U. S. representative from Nevada, 1881–1885 One of Butch Cassidy's many aliases George Cassidy (Australian footballer) (1905–1985), Australian footballer for Melbourne George Henry Cassidy (1942–2024), Anglican bishop of Southwell and Nottingham George Cassidy (coach) (1881–1966), college football coach George Cassidy (jazz musician) (1936–2023), jazz musician and music teacher of Van Morrison