Heinrich Mussinghoff (born 29 October 1940) was the Roman Catholic Bishop of the Aachen, Germany, from 11 February 1995 until the acceptance of his resignation on 8 December 2015.
Born in Osterwick (now Rosendahl) in northwestern Westphalia, he studied philosophy and theology in Münster and Freiburg.
1968 he was consecrated as priest in Münster by Bishop Joseph Höffner.
He first worked as chaplain of Herten, then became secretary of Bishop Heinrich Tenhumberg.
In December 1994 he was appointed as bishop of Aachen, and was consecrated on 11 February 1995 by Cardinal Joachim Meisner in the Aachen Cathedral.