John Baptist Cashel Hoey, (25 October 1828 – 7 January 1892) was an Irish writer, editor, and public servant for colonial New Zealand and Australia.
Hoey was born in 1828, the eldest son of Cashel Fitzsimons Hoey, of Dundalk, County Louth, Ireland, and Charleston, South Carolina, U.S.
He was educated at St.
Patrick's College, Armagh, and was one of the principal writers for the Nation, and editor 1849–57, taking over from Charles Gavan Duffy, and was one of the "Young Irelanders".
From 1865-78 he was sub-editor of the Dublin Review.
He was called to the bar at the Middle Temple in 1861.Hoey was member of the board of advice and secretary to the Agent-General for Victoria 1872–73 being appointed by Gavan Duffy, and secretary to the Agent-General for New Zealand 1874–79, since when he had been secretary to the Agent-General for Victoria.
He was secretary to the London committees for the Melbourne International Exhibition in 1880 and 1888, and to the Colonial Museums Committee.