Johannes Wennecker, also Johannes Wennecker der ÃÂltere (died 1469), was a Roman Catholic prelate who served as Auxiliary Bishop of Münster (1454âÂÂ1469).
He was ordained a priest in the Order of Saint Augustine. In 1454, he was appointed during the papacy of Pope Nicholas V as Auxiliary Bishop of Münster and Titular Bishop of Larissa in Syria. He served as Auxiliary Bishop of Münster until his death in 1469.