Lady Day (disambiguation)

Lady Day is the traditional name of the Feast of the Annunciation of the Blessed Virgin.

Lady Day may also refer to:
 * Billie Holiday (1915–1959), American jazz singer
 * Lady Day: The Complete Billie Holiday on Columbia 1933–1944
 * Lady Day (Amii Stewart album), 2004
 * "Lady Day", a song by Lou Reed from the album Berlin (1973)
 * "Lady Day", a song by Lifehouse from the album Almería
 * "Lady Day", a song by Rod Stewart on Gasoline Alley (album) (1970)