- Number One
- O-Town - The Painter
- Ob-La-Di, Ob-La-Da
- Occasionally
- Occhi Di Speranza
- Octopus's Garden
- Oh Baby
- Oh My god
- Oh! Darling
- Oh, You Pretty Things
- Ohhhhh Nsync
- Ojos De Esperanza
- On And On And On
- On My Own
- On My Way To Work
- On The Lie
- On The Run
- On The Top Of The World
- On Your Face
- On Your Side
- Once Upon A December
- Once Upon A Time
- One
- One And One
- One Day
- One Day In Your Life
- One Hit Wonder
- One Hour Later
- One Last Cry
- One Love
