| Title | Artist | Song # |
| O Town | These Are The Days | 469-1 |
| O'Connor, Sinead | Nothing Compares 2 U | 395-4 |
| O'Jays, The | Backstabbers | 65-7 |
| O'Jays, The | Backstabbers | 362-12 |
| O'Jays, The | Love Train | 327-8 |
| O'Jays, The | Use To Be My Girl | 362-11 |
| O'Kaysions, The | Girl Watcher | 362-13 |
| O'Keefe, Danny | Good Time Charlie's Got The Blues | 198-13 |
| O'Neal, Jamie | Shiver | 471-13 |
| O'Neal, Jamie & Michael McDonald | Not So Distant Day | 494-2 |
| O'Sullivan, Gilbert | Alone Again | 90-3 |
| O'Sullivan, Gilbert | Alone Again Naturally | 265-8 |
| Oak Ridge Boys | Elvira | 189-5 |
| Oak Ridge Boys, The | American Made | 525-10 |
| Oak Ridge Boys, The | American Made | 340-14 |
| Oak Ridge Boys, The | American Made | 201-15 |
| Oak Ridge Boys, The | Bobbie Sue | 199-3 |
| Oak Ridge Boys, The | Come On In | 202-9 |
| Oak Ridge Boys, The | Elvira | 8-6 |
| Oak Ridge Boys, The | Elvira | 33-6 |
| Oak Ridge Boys, The | Elvira | 195-8 |
| Oak Ridge Boys, The | Elvira | 42-10 |
| Oak Ridge Boys, The | Elvira | 283-12 |
| Oak Ridge Boys, The | Y'all Come Back Saloon | 176-1 |
| Oakenfold & Shifty Shellshock | Starry Eyed Surprise | 491-14 |
| Oakenfold & Shifty Shellshock w/Vocal | Starry Eyed Surprise | 491-5 |
| Oasis | All Round The World | 97-9 |
| Ocean | Put Your Hand In The Hand | 381-14 |
| Ocean, Billy | Caribbean Queen | 390-3 |
| Ocean, Billy | When The Going Gets Tough | 390-2 |
| Odyssey | Native New Yorker | 104-2 |
| Offspring | Pretty Fly For A White Guy | 252-11 |
| Ohio Express | Yummy Yummy Yummy | 269-15 |
| Oklahoma | I Can't Say No | 92-10 |
| Oklahoma | Oh What A Beautiful Morning | 366-8 |
| Oklahoma | Oklahoma | 366-9 |
| Oklahoma | Surrey With The Fringe On Top, The | 407-11 |
| Oliver | As Long As He Needs Me | 366-10 |
| Oliver | Consider Yourself | 264-2 |
| Oliver | Consider Yourself | 366-12 |
| Oliver | Good Morning Starshine | 375-10 |
| Oliver | Who Will Buy | 366-11 |
| Orbison, Roy | Crying | 10-1 |
| Orbison, Roy | Crying | 37-1 |
| Orbison, Roy | Crying | 312-5 |
| Orbison, Roy | Crying | 265-12 |
| Orbison, Roy | Dream Baby | 203-11 |
| Orbison, Roy | Only The Lonely | 198-6 |
| Orbison, Roy | Pretty Woman | 47-1 |
| Orbison, Roy | Pretty Woman | 3-5 |
| Orbison, Roy | Pretty Woman | 31-5 |
| Orbison, Roy | Pretty Woman | 114-10 |
| Orbison, Roy | Pretty Woman | 196-16 |
| Orbison, Roy | You Got It | 199-19 |
| Orlando, Tony | Tie A Yellow Ribbon Around The Old Oak T | 265-18 |
| Orlando, Tony & Dawn | Tie A Yellow Ribbon | 333-11 |
| Osborne Brothers & Red Allen | Ruby, Are You Mad | 183-3 |
| Osborne Brothers, The | Rocky Top | 441-5 |
| Osborne Brothers, The | Rocky Top | 312-15 |
| Osborne, Jeffrey | On The Wings Of Love | 4-5 |
| Osborne, Jeffrey | On The Wings Of Love | 30-5 |
| Osborne, Jeffrey | On The Wings Of Love | 356-14 |
| Osborne, Joan | One Of Us | 404-1 |
| Osbourne, Kelly | Shut Up | 469-4 |
| Osbourne, Ozzy | Crazy Train | 228-3 |
| Osbourne, Ozzy | Goodbye To Romance | 228-12 |
| Oslin, K.T. | Come Next Monday | 195-13 |
| Osmond, Marie | Paper Roses | 340-7 |
| Osmond, Marie | Paper Roses | 42-12 |
| Osmond, Marie & Dan Seals | Meet Me In Montana | 78-8 |
| Osmonds, The | One Bad Apple | 383-11 |
| Otis Day & The Knights | Shout | 186-1 |
| Outsiders, The | Time Won't Let Me | 61-13 |
| Overstreet, Paul | Ball And Chain | 200-7 |
| Overstreet, Paul | Ball And Chain | 336-10 |
| Overstreet, Paul | Daddy's Come Around | 336-11 |
| Owens, Buck | I've Got A Tiger By The Tail | 343-7 |
| Owens, Buck | Rollin' In My Sweet Baby's Arms | 206-2 |
| Owens, Buck | Together Again | 206-1 |
| Owens, Buck | Together Again | 204-9 |
| Owens, Buck & The Buckaroos | Under Your Spell Again | 206-3 |
| Owens, Buck & The Buckaroos | Under Your Spell Again | 204-5 |