Harold Creeth Miller (born 23 February 1950) is a retired Irish Anglican bishop.

Coming from a Methodist background, he was elected bishop in 1997 and was considered to represent an evangelical position within the Church.

[2] From 1976 to 1979, he served his curacy at Saint Nicholas' Church, Carrickfergus, Belfast, in the Diocese of Connor.

[2] He then moved to England, where he was director of extension studies and chaplain of St John's College, Nottingham between 1979 and 1984.

[7] He is regarded as theologically conservative and was one of the two bishops of the Church of Ireland, with Ferran Glenfield, to attend GAFCON III, held on 17–22 June 2018, in Jerusalem.