Daniel O'Donnell (born 1961) is an Irish singer.
Daniel, Danny, or Dan O'Donnell may also refer to: Daniel O'Donnell (Irish Brigade) (1666–1735), brigadier-general in the Irish Brigade in the French service Daniel J. O'Donnell (born 1960), American legislator from the state of New York Danny O'Donnell (footballer, born 1986), English footballer Danny O'Donnell (footballer, born 1939) (1939–2024), Scottish footballer D.O.D. (DJ), (Dan O'Donnell, born 1995), British DJ and record producer