Christopher Plunkett may refer to:
Christopher Plunkett, 1st Baron of Dunsany (c. 1410–c. 1463), Irish peer Christopher Plunkett, 6th Baron of Dunsany (died 1564 or 1565), Irish nobleman Christopher Plunkett, 8th Baron of Dunsany (died 1603), Irish nobleman Christopher Plunket, 2nd Earl of Fingall (died 1649), Irish peer