Mac Néill
mac Néill is an Irish surname. Notable people with the surname include:
| Origin | |
|---|---|
| Region of origin | Ireland |
| Other names | |
| Variant form | O'Neill |
- Áed mac Néill (disambiguation)
- Cathal mac Néill (died 729), Irish king
- Coirpre mac Néill (died after 485), founder of the Cenél Coirpri
- Eógan mac Néill (died 465), Irish king
- Fiachu mac Néill (fl. 507–514), Irish king
- Fogartach mac Néill (died 724), Irish king
- Lóegaire mac Néill (died c. 462), son of Niall of the Nine Hostages
- Maine mac Néill (died 712), Irish king
- Muirchertach mac Néill (died 943), Irish king