Pedro Muñoz Seca (born February 20, 1879 in El Puerto de Santa María, Spain; died November 28, 1936 in Paracuellos de Jarama, Madrid, Spain ) was a Spanish comic playwright. He was one of the most successful playwrights of his era. He wrote approximately 300 dramatic works, both sainetes (short vignettes) and longer plays, often in collaboration with Pedro Pérez Fernández or Enrique García Álvarez. His most ambitious and best known play is La venganza de Don Mendo (Don Mendo's Revenge, 1918); other major works include La barba de Carrillo (Carrillo's Beard, 1918) and Pepe Conde (1920).