Reginald William Richard (Bill) Colthurst (1922–2009)[1] was Archdeacon of Armagh from 1985 to 1989.
Colthurst was educated at Trinity College, Dublin and the Church of Ireland Theological College. He was ordained in 1942.[2] After curacies in Portadown and Belfast he was the incumbent of Ardtrea, then Richhill,[3] and then Mullavilly.