Joseph Cassidy

Joe or Joseph Cassidy is the name of:

Joe Cassidy (baseball), Major League Baseball infielder for the Washington Senators, 1904–1905
Joe Cassidy (footballer, born 1872), Scottish footballer
Joe Cassidy (footballer, born 1891), Irish footballer
Joe Cassidy (footballer, born 1896), Scottish footballer
Joe Cassidy (Gaelic footballer), Irish Gaelic footballer
Joseph Cassidy (bishop), Roman Catholic Archbishop of Tuam, Ireland
Joseph Cassidy (priest), Principal of St Chad's College, Durham
Joseph Cassidy (politician), American politician from Queens, New York