| O Come All Ye Faithful | Orrico |
| O Girlfriend | Weezer |
| O Holy Night | Dion |
| O Little Town of Bethlehem | Adams |
| O.P.P. | Naughty By Nature |
| Oak Tree | Alien Fashion Show |
| Objection (Tango) | Shakira |
| Objects in the Rear View Mirror | Meat Loaf |
| Ob-La-Di, Ob-La-Da | Beatles |
| October Road | Taylor |
| Octopus's Garden | Beatles |
| Ode to a Dark Star | Lanz |
| Ode to Boy | Yaz |
| Ode to Boy 2 | Moyet |
| Of Wolf and Man | Metallica |
| Off The Ground | McCartney |
| Off to War | Horner |
| Oh Father | Madonna |
| Oh Girl | Young |
| Oh How Happy | Shades of Blue |
| Oh La La La | Rocco |
| Oh L'Amour | Erasure |
| OH L'amour (Matt Darey Mix) | Erasure |
| Oh My Soul | Richard |
| Oh Nelly | Nelly |
| Oh No What You Got | Timberlake |
| Oh So Many Years | Everly Brothers |
| Oh! Darling | Beatles |
| Oh! Look at Me Now | Sinatra |
| Oh, Pretty Woman | Orbison |
| Oh, What A Night For Dancing | White |
| Ol '55 | McLachlan |
| Old Lamp-Lighter, The | Swing & Sway With Sammy Kaye |
| Old Love | Clapton |
| Old Love | Hill |
| Old Rugged Cross | Paisley |
| Old Rugged Cross | Tubb |
| Old Time Rock & Roll | Seger |
| Older | Michael |
| On Bended Knee | Boyz II Men |
| On Fire | Van Halen |
| On Me | Hill |
| On My Knees | Carlisle |
| On My Way Hame | Enya |
| On My Way To Paradise | Carlisle |
| On The Couch | Prince |
| On the Grind | Nelly |
| On the Other Hand | Travis |
| On the Outside | Information Society |
| On The Run | Pink Floyd |
| On the Turning Away | Pink Floyd |
| On the Verge | Raye |
| Once Bitten Twice Shy | Great White |
| Once Upon a Dream (Sleeping Beauty) | Disney Various |
| Once Upon a Time | Yanni |
| Once Upon A Time | Bennett |
| Once Upon A Time/Storybook Love | Knopfler |
| One | U2 |
| One Big Rush | Satriani |
| One Boy, One Girl | Raye |
| One Call Away | Chingy |
| One Caress | Depeche Mode |
| One Country | Midnight Oil |
| One Day | Isaak |
| One Day @ a Time | 2 Pac |
| One Day You'll Be Mine | Usher |
| One Flight Down | Jones |
| One For My Baby (One More for the Road) | Holiday |
| One For My Baby (One More For the Road) | Sinatra |
| One Headlight | Legend, The |
| One Heart In The Right Place | McLean |
| One Hot Country | Outfield, The |
| One Last Breath | Creed |
| One Last Kiss | J. Geils Band |
| One Love | Benatar |
| One Love | Marley & the Wailers |
| One Man Revival | Carlisle |
| One Man's Dream | Yanni |
| One Man's Dream | Yanni |
| One More | Journey |
| One More Chance | Madonna |
| One More Last Chance | Gill |
| One More Night | Collins |
| One More Try | Micheal |
| One More Try | Timmy T |
| One Night | Presley |
| One Night a Day | Brooks |
| One Night At A Time | Strait |
| One Night Stand | Iglesius |
| One Of A Kind | Secada |
| One Of Us | Abba |
| One Of Us | Osborne |
| One Slip | Pink Floyd |
| One Song (Snow White) | Disney Various |
| One Sweet Day | Boyz II Men |
| One Sweet Day | Carey |
| One Thing | INXS |
| One Thing Leads to Another | Fixx, The |
| One Tree Hill | U2 |
| One Vision | Queen |
| One Week | Barenaked Ladies |
| One Word Song | Travis |
| One, The | John |
| Only God Knows Why | Rock |
| Only If | Enya |
| Only In America | Brooks & Dunn |
| Only In Dreams | Weezer |
| Only In My Dreams | Gibson |
| Only Love Knows Why | Cetera |
| Only The Lonely | Isaak |
| Only the Lonely | Orbison |
| Only the Young | Journey |
| Only Want To Be With You | Hootie and the Blowfish |
| Only Worse | Travis |
| Only Yesterday | Carpenters, The |
| Only You | Boyz Nite Out |
| Only You | Moyet |
| Only You | Yaz |
| Only You (1999 Mix) | Yaz |
| Ooh Ahh Just a Little Bit | Rockway |
| Ooh La La | Stewart |
| Ooh Na Na Naa Naa | Lil John & The East Side Boyz |
| Oops (Oh My) | Tweet |
| Oops Upside Your Head | Gap Band |
| Oops! I Did It Again | Spears |
| Oops, I Did It Again! (Dance Remix) | Spears |
| Open Arms | Journey |
| Open Book | Cake |
| Open Goals | Lightning Seeds |
| Open Sesame | Kool & the Gang |
| Opening "I Love You Perfect | Yanni |
| Opening Titles From "The Bounty" | Vangelis |
| Opera of the Bells | Destiny's Child |
| Opera Singer | Cake |
| Opportunities (let's make lots of money) | Pet Shop Boys |
| Opposites Attract | Abdul |
| Opus One | Dorsey |
| Ordinary Day | Carlton |
| Ordinary Girl | Moyet |
| Ordinary World | Duran Duran |
| Original Sin | INXS |
| Orinoco Flow | Enya |
| Oscar the Angel | Travis |
| Other Side | Aerosmith |
| other side of u 1985 (remix, 1998) | Alphaville |
| Other Voices | Cure |
| Otro Dia Mas Sin Verte | Secada |
| Our Anniversary | Five Satins, The |
| Our Day Will Come | Ruby & the Romantics |
| Our House | Madness |
| Our Lips Are Sealed | Fun Boy Three |
| Our Love (Live) | Cole |
| Our Song | Yes |
| Out Of Love | Five For Fighting |
| Out of My Bones | Travis |
| Out of My Head | Fastball |
| Out Of the Blue | Gibson |
| Out of the Frying Pan (Into the Fire) | Meat Loaf |
| Out of the Shadows | Lanz |
| Out of the Shadows | McLachlan |
| Out Ta Get Me | Gun's N Roses |
| Outlaw Blues | Benatar |
| Outrageous | Spears |
| Outta Your Head | Aerosmith |
| Over the Mountain, Across the Sea | Johnnie & Joe |
| Over the Rainbow | Garland |
| Overload | Zappacosta |
| Overnight Celebrity | Twista |
| Overprotected | Spears |
| Overture and a Prisoner of the Crusades | Los Angeles Orchestra |
| Owner Of A Lonely Heart | Yes |
| Ozar Midrashim | Information Society |