"Without You" is a song written by Pete Ham and Tom Evans of British rock group Badfinger, and first released on their 1970 album No Dice. The song has been recorded by over 180 artists, and versions released as singles by Harry Nilsson (1971) and Mariah Carey (1994) became international best-sellers.

Beatles Paul McCartney once described the ballad as "...the killer song of all time".