Jean-Baptiste Maunier (born December 22, 1990) is a French actor and singer. He is best known for his role in the 2004 French film Les Choristes.

Jean-Baptiste 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).