Juan Leovigildo Brouwer Mezquida (born March 1, 1939) is a Cuban composer, conductor, and classical guitarist.
He is the grandson of Cuban composer Ernestina Lecuona y Casado.
His great-uncle, Ernesto Lecuona, composed "La Malagueña" and his second cousin, Margarita Lecuona, composed "Babalú", which was popularized by Cuban musician and actor Desi Arnaz.
He is a Member of Honour of the International Music Council.