Happy Xmas (War Is Over) - Idols
- Entered the UK chart on 21 December 2003 and spent 5 weeks in the charts, reaching a high of number 5.
Happy Xmas (War Is Over) - Celine Dion 
- Happy Xmas (War Is Over) - Christina Perri
- Happy Xmas (War Is Over) - John Legend
- Happy Xmas (War Is Over) - John Lennon
(and The Plastic Ono Band)
- Happy Xmas (War Is Over) - Maroon 5
- Happy Xmas (War Is Over) - Miley Cyrus & Mark Ronson
(featuring Sean Ono Lennon)
- Happy Xmas (War Is Over) - Sarah McLachlan
- Happy Xmas (War Is Over) - The Fray