| Artist | Title | Song # |
| O'Connor, Sinead | Nothing Compares 2 U | 042-8 |
| O'Connor, Sinead | Nothing Compares 2 U | 005-9 |
| O'Donnell, Erin | No Place So Far | 058-8 |
| O'Jays, The | Love Train | 108-10 |
| O'Jays, The | Love Train | 080-12 |
| O'Jays, The | Put Your Hands Together | 078-14 |
| O'Kaysons | Girl Watcher | 105-12 |
| O'Neal, Jamie | There Is No Arizona | 042-2 |
| O'Sullivan, Gilbert | Alone Again Naturally | 028-8 |
| O-Town | All Or Nothing | 071-6 |
| O-Town | All Or Nothing | 141-12 |
| O-Town | Liquid Dreams | 168-5 |
| O-Town | Liquid Dreams | 117-14 |
| Oak Ridge Boys, The | Elvira | 068-11 |
| Ocean | Put Your Hand | 171-8 |
| Ocean, Billy | Get Outta My Dreams, Get Into My Car | 060-5 |
| Offspring, The | Hit That | 119-5 |
| Ohio Players, The | Fire | 109-6 |
| One True Voice | Sacred Trust | 055-12 |
| Orbison, Roy | Blue Angel | 103-7 |
| Orbison, Roy | Blue Bayou | 009-4 |
| Orbison, Roy | Crying | 028-12 |
| Orbison, Roy | Oh, Pretty Woman | 156-2 |
| Orbison, Roy | Pretty Woman | 095-11 |
| Orlando, Tony | Tie A Yellow Ribbon Around The Old Oak T | 028-18 |
| Orlando, Tony & Dawn | He Don't Love You (Like I Love You) | 109-12 |
| Orlando, Tony & Dawn | Knock Three Times | 080-7 |
| Orleans | Dance With Me | 019-5 |
| Orleans | Still The One | 006-1 |
| Orricco, Stacie | Stuck | 052-8 |
| Orrico, Stacie | Don't Look At Me | 059-6 |
| Orrico, Stacie | Don't Look At Me | 090-12 |
| Orrico, Stacie | Genuine | 121-4 |
| Orrico, Stacie | Stuck | 138-12 |
| Orrico, Stacie | Stuck | 055-14 |
| Orrico, Stacie | There's Gotta Be More To Life | 053-7 |
| Osborne Brothers, The | Rocky Top | 068-7 |
| Osborne, Joan | One Of Us | 019-15 |
| Osmond, Marie | Paper Roses | 068-10 |
| Osmond, Marie | Paper Roses | 019-16 |
| Osmond, Marie & Dan Seals | Meet Me In Montana | 123-4 |
| Our Lady Peace | 4:00 AM | 145-5 |
| Outkast | Hey Ya! | 120-1 |
| Outkast | Whole World, The | 037-5 |
| Owens, Buck | Under Your Spell Again | 124-3 |
| Ozark Mountain Daredevils | Jackie Blue | 070-10 |