• John O'Banion - Love You Like I Never Loved Before
• Dottie O'Brien - I Wanna Be Loved
• Sinead O'Connor - Nothing Compares 2 U
• Alan O'Day - Undercover Angel
• Kenny O'Dell - Beautiful People
• The O'Jays
• The O'Kaysions - Girl Watcher
• Danny O'Keefe - Good Time Charlie's Got the Blues
• Alexander O'Neal - Fake
• Alexander O'Neal featuring Cherrelle - Never Knew Love Like This
• Gilbert O'Sullivan - Alone Again (Naturally)
• Gilbert O'Sullivan - Clair
• Gilbert O'Sullivan - Get Down
• Gilbert O'Sullivan - Ooh Baby
• Gilbert O'Sullivan - Out Of the Question
• Oak Ridge Boys - Bobbie Sue
• Oak Ridge Boys - Elvira
• Oasis - Don't Look Back In Anger
• Oasis - Wonderwall
• Ric Ocasek - Emotion in Motion
• Ocean - Put Your Hand in The Hand
• Billy Ocean
• Phil Ochs
• Odyssey - Native New Yorker