José Fernández Díaz (September 5, 1908 – October 11, 1979), commonly known as Joseíto Fernández, was a Cuban singer and songwriter. He is the writer of well-known songs, including "Elige tú, que canto yo", "Amor de madre", "Demuéstrame tú", and "Así son, boncó", as well as the most famous "Guajira Guantanamera".