Code Blue

Code Blue may refer to:
 * Code blue (emergency code), a hospital code used to indicate a patient requiring immediate resuscitation
 * Code Blue (film), a 2011 Dutch film by Urszula Antoniak
 * Code Blue (TV series), a Japanese drama series
 * Code Blue (album), a 1990 album by Icehouse
 * Code Blue (bull), No. 644, a world champion bucking bull
 * Code Blue – Emergency, a 1987 science fiction novel by James White
 * Code: Blue, a fictional organization in the Marvel Universe
 * "Code Blue", a song by T.S.O.L. from Dance with Me