Jean-Baptiste Maunier (born December 22, 1990) is a French actor and singer. He is famous for his role in the 2004 French film Les Choristes.
Jean Maunier was born to Thierry Maunier, a cameraman, and Muriel Maunier. He has a younger brother, Benjamin. His father sang in a well-known church choir (Les Petits Chanteurs de Saint Marc). Jean-Baptiste attended a Roman Catholic school in Lyon, France. He studied at the Lee Strasberg Institute in New York between 2008 and 2009 to perfect his acting and English, returning to France to sing in Les Enfoirés charity concerts.
Maunier gained fame for his starring role in the 2004 French film Les Choristes, in which he plays Pierre Morhange, a delinquent with an exceptional singing voice at the correctional school Fond de L'Étang. Christophe Barratier, the director of Les Choristes, chose Maunier because "he had the right look" and a marvellous voice. He was also exceptionally appealing for the role.