Castles in the Air

Castles in the air are daydreams or fantasies.

Castles in the Air may refer to:


 * Castles in the Air (1911 film), a Rex Motion Picture Company film
 * Castles in the Air (1919 film), an American film
 * Castles in the Air (1923 film), a British film
 * Castles in the Air (1939 film), an Italian film
 * "Castles in the Air" (song), a 1970 song
 * Castles in the Air (musical), a 1926 musical comedy