David O'Connell

David O'Connell may refer to:
 * Dáithí Ó Conaill (1938–1991), Irish republican
 * David O'Connell (politician) (born 1940), American politician
 * David G. O'Connell (1953–2023), Irish-born American auxiliary bishop Roman Catholic Archdiocese of Los Angeles, 2015–2023
 * David J. O'Connell (politician) (1868–1930), U.S. Representative from New York
 * David J. O'Connell (producer), American editor, producer and production manager
 * David M. O'Connell (born 1955), American bishop of the Roman Catholic Diocese of Trenton
 * David O'Connell (footballer) (born 1963), Australian rules footballer