• O.P.P. - Naughty By Nature
• O Dio Mio - Annette
• O Mein Papa (Oh! My Papa) - Ray Anthony & His Orchestra
• O-o-h Child - The Five Stairsteps
• The Object Of My Affection - The Boswell Sisters
• The Object Of My Affection - Jan Garber
• The Object Of My Affection - Glen Gray
• The Object Of My Affection - Jimmie Greer
• Object of My Desire - Starpoint
• Objects In The Rear View Mirror May Appear Closer Than They Are - Meat Loaf
• Obscene Phone Caller - Rockwell
• Obsession - Animotion
• Ode to Billie Joe - Bobbie Gentry
• Ode To My Family - The Cranberries
• Of Thee I Sing (Dance Medley) - Abe Lyman
• Of Thee I Sing - Ben Selvin
• Off And Running - Lesley Gore
• Off Shore - Richard Hayman
• Off the Wall - Michael Jackson