César Portillo de la Luz (October 31, 1922 – May 4, 2013) was a Cuban musician, lyricist and composer. Born in Havana, Cuba, Portillo is credited with founding the filin music genre. The Miami Herald described Portillo as "a fundamental author of Latin American music" and "one of Cuba's most celebrated composers". Portillo is also cited as "the most distinguished lyricist of his generation" and "one of the most prolific Cuban composers of the twentieth century".