Castello (surname)
Castello is a surname. Notable people with the surname include:
- Henry, Count of Malta, Enrico da Castello, Italian fleet captain, corsair
- Margaret di Castello, Italian Catholic educator and a Dominican tertiary nun
- Bernardo Castello, Italian Mannerist painter
- Dario Castello, Italian composer
- Felix Castello, Spanish Baroque painter
- Giovanni Battista Castello, Italian painter
- John Castello, Guyanese child actor and journalist
- Marie Castello, American psychic
- Sebastian Castellio, French theologian
- Valerio Castello, Italian Baroque painter