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