Blue Christmas may refer to:

• Blue Christmas (holiday), a Christian observance in the latter part of the Advent season
• "Blue Christmas" (song), a Christmas song written by Billy Hayes and Jay W. Johnson and famously performed by Elvis Presley
• Blue Christmas (film), a 1978 Japanese science fiction film
• "Blue Christmas", an episode of the TV series NCIS: New Orleans
• Blue Christmas (Ricky Van Shelton album)
• Blue Christmas (Elvis Presley album), 1992
• Blue Christmas (Ernest Tubb album), 1964
• Blue Christmas (Jimmy Barnes album), 2022
• "Blue Xmas (To Whom It May Concern)", a song by Miles Davis on the album Jingle Bell Jazz