Archbishop Dr Henry Hanlon MHM (13 January 1862 – 18 August 1937), was an English Roman Catholic bishop, belonging to the order of the Mill Hill Missionaries.

Having decided to train as a priest, he attended the Missionary School at Kelvedon, Essex, then St Joseph's College, Mill Hill.

[1] Hanlon travelled to Northern India, where he served until 1894 when he was recalled to Rome to be appointed the first Vicar Apostolic of Upper Nile District of the Roman Catholic Archdiocese of Tororo.

[1] He was then sent to lead the first band of four Mill Hill missionaries into the African interior, where they arrived in Kampala on 26 September 1895, having walked from Mombasa.

[2] Upon arrival Bishop Hanlon and his missionaries were received by Kabaka Mwanga II, who offered them land on Nsambya Hill where they established their mission station.