Decoration Day is the former name of Memorial Day, a United States holiday.
Decoration Day may also refer to: Decoration Day (tradition), a living tradition of cemetery decoration and ritual that arose by the 19th century Decoration Day (Canada), a Canadian holiday Decoration Day (album), a 2003 album by Drive-By Truckers Decoration Day (film), a 1990 American film based on a novel by John William Corrington "Decoration Day", the second movement of A Symphony: New England Holidays by Charles Ives "Decoration Day", a song by Sonny Boy Williamson I, later performed by John Lee Hooker on the album It Serve You Right to Suffer