Ceallaigh
Ceallaigh may refer to:
- Royal House Ceallaigh
- Fiachra Ó Ceallaigh O.F.M., an Irish Catholic Bishop
- Gilla Ceallaigh Ua Cleirigh, king of Ui Fiachrach Aidhne
- Giolla Ceallaigh mac Comhaltan, a member of the Uí Fiachrach Aidhne of south Galway
- Mícheál Ó Ceallaigh, an Irish scribe
- Muircheartach mac Pilib Ó Ceallaigh, Archbishop of Tuam and patron of An Leabhar Ua Maine
- Philip Ó Ceallaigh, Irish short story writer living in Bucharest
- Seán Ó Ceallaigh disambiguation page
- Seán Ó Ceallaigh , Irish Fianna Fáil politician
- Tomás mac Muircheartaigh Ó Ceallaigh, O.P., Archbishop of Tuam, 1438 to 1441
