Jesús Bal y Gay (23 June 1905, Lugo – 3 March 1993, Torrelaguna, Madrid) was a Spanish composer, music critic, and musicologist. He was a member of Generation of '27 and the Group of Eight, the latter of which also included composers Julián Bautista, Ernesto Halffter and his brother Rodolfo, Juan José Mantecón, Fernando Remacha, Rosa García Ascot, Salvador Bacarisse and Gustavo Pittaluga. He married Ascot in 1933.