William Hallaran

William Hallaran (born Cahir, County Cork 19 April 1861, died County Clare, 23 January 1917) was an Irish rugby international. He won one cap against Wales on 12 April 1884.

His father was Archdeacon of Ardfert from 1915 to 1922. He was educated at Trinity College, Dublin after which he was a doctor in the RAMC.