Castiglia is an Italian surname. Notable people with the surname include:Albert Castiglia, American musician Ferdinando Castiglia, Italian Roman Catholic bishop Francesco Castiglia (1891–1973), later Frank Costello, Italian-American crime boss Ivan Castiglia, Italian footballer Jim Castiglia (1918–2007), American football player Luca Castiglia, Italian footballer Paul Castiglia, American comic book writer and editor Vincent Castiglia, American painter