José Inzenga y Castellanos (Madrid, 1828 – 1891) was a Spanish composer and singing teacher. He studied at the Madrid Conservatory and later in Paris. He co-founded the Sociedad de Conciertos de Madrid (Madrid Concert Society) in 1866. He composed zarzuelas such as "El amor y los celos", "El Príncipe Azul", and "La novia del desierto", as well as symphonic and religious works and songs. He worked as a singing teacher at the Madrid Conservatory.