Marc Wathieu (30 April 1962 – 10 January 2020), better known as Marc Morgan, was a Belgian singer and songwriter. He was born in Huy. His single "Notre Mystère, nos reunions" reached the French top 50 charts in 1993. He also worked as a professor. He worked at the École de recherche graphique in Brussels, the École supérieure des arts Le 75 in Woluwe-Saint-Lambert and the Haute école Albert Jacquard in Namur.