Christmas Song may refer to:

• Christmas music, music performed or heard around the Christmas season
• "Christmas Song" (Gilbert O'Sullivan song), 1974
• Christmas Song (album), 2007, by Mannheim Steamroller
• Christmas Song, 2012 TV film directed by Timothy Bond and starring Natasha Henstridge
• "The Christmas Song", 1945 song by Bob Wells and Mel Tormé
• The Christmas Song (Nat King Cole album), 1999 reissue of The Magic of Christmas, originally released in 1960
• The Christmas Song (EP), 2014, by Jamey Johnson

• Christmas Songs (disambiguation)
• Christmas Album (disambiguation)