Blue Angel might be used to refer to several different things:

• three movies based on Heinrich Mann's novel Professor Unrat (1905), about the downfall of a teacher, obsessed with love:
  • The Blue Angel (1930 movie) , (in English) starring Marlene Dietrich as Lola, featuring the song "Falling in Love Again".
  • Der Blaue Engel, 1930 movie (in German) starring Marlene Dietrich, featuring the song Ich bin von Kopf bis Fuss auf Liebe eingestellt ("From head to toe I am focused on love"). The two 1930 movies were filmed simultaneously in English and German respectively.
  • The Blue Angel (1958 movie) , a remake, starring May Britt and Curt Jurgens, of the 1930 movies.
• a member of the U.S. Navy Flight Demonstration Squadron, the Blue Angels
• a band, Blue Angel, which featured Cyndi Lauper
• a nightclub in Liverpool, from which The Beatles' original manager Allan Williams reputedly ejected Judy Garland after the local premiere of their first movie A Hard Day's Night in 1964