Donald Patrick Nestor (6 October 1938 – 10 January 2003) was a British suffragan bishop in Lesotho, a diocese in the Anglican Church of Southern Africa from 1979.
In 1992 he returned to England to serve as an assistant bishop in the Diocese of Blackburn and later in the Diocese of Durham.
Towards the end of his life he took vows as a member of the monastic Society of the Sacred Mission.