Casablancas is a Spanish surname. Notable people with the surname include:
Benet Casablancas (born 1956), Spanish composer and musicologist John Casablancas (b.1942, d.2013), American modeling agent and scout Julian Casablancas (born 1978), American musician
Fictional characters: Cassidy and Dick Casablancas, characters in the television series Veronica Mars
See also Casablanca (disambiguation)