Donal O'Neill
Donal O'Neill may refer to:
- Donal O'Neill or Domhnall Ó Néill, various kings of Tír Eóghain
- Donal O'Neill (Gaelic footballer) (born 1988), Gaelic footballer for Galway
- Donal O'Neill (swimmer), Irish swimmer
Donal O'Neill may refer to: