Blue (disambiguation)

Blue can be referred to one of the following:
 * The song Blue Christmas
 * The episode of the same name of the following: Hearts Afire, NCIS: New Orleans, The Rookies, American Housewife, 9 to 5, Ally McBeal
 * The puppy named Blue from Nick Jr.'s show Blue's Clues.
 * Blue's Clues episodes: "Blue's Big Holiday" and "Blue's First Holiday"
 * Blue's Room episode "Blue's Holiday Wishes"