Marmaduke Middleton (died 1593) was an English bishop.
[1] He was vicar of Coolock and Dunboyne, in Ireland, and then rector of Killare, County Meath.
In office during the Desmond Rebellions, he complained of the strong Catholic and rebel feeling in Waterford,[3][4] and the attitude of the Mayor Patrick Walsh.
[5][6] In 1582 he was translated, becoming bishop of St Davids in Wales.
[8] He then faced charges in the Court of High Commission, including forgery of a will.