Arthur O'Callaghan
Arthur Pyne O'Callaghan was a 19th-century Member of Parliament from Canterbury, New Zealand.
He was born in Fermoy, Ireland, on 1 March 1837.
He represented the Lincoln (New [Zealand electorate)|Lincoln] electorate from to 1888, when he resigned.
O'Callaghan died in Eketāhuna on 17 December 1930, and was buried at Mangaoranga Eketāhuna Cemetery.