Canal is a Spanish surname. Notable people with the surname include:
David Canal (born 1978), Spanish sprinter Esteban Canal (1896–1981), Peruvian chess player Giovanni Antonio Canal (1697–1768), Venetian painter, better known as Canaletto Marguerite Canal (1890-1978), French conductor, music educator and composer Richard Canal (born 1953), French science fiction writer
See also Canal De la Canal Canals (surname)