| Title | Artist | Song # |
| O Death | Ralph Stanley w/vocal | 414-19 |
| O Death | Stanley, Ralph | 414-9 |
| O Holy Night | Dion, Celine | 498-3 |
| O Holy Night | Dion, Celine w/Vocal | 498-11 |
| Ob-La-Di, Ob-La-Da | Beatles, The | 396-9 |
| Object Of My Affection | Martin, Dean | 178-12 |
| Obsession | Animotion | 390-6 |
| Ocean Front Property | Strait, George | 52-1 |
| Ocean Front Property | Strait, George | 197-4 |
| Ode To Billie Joe | Gentry, Bobbie | 282-5 |
| Ode To Billie Joe | Gentry, Bobbie | 255-12 |
| Ode To Billy Joe | Gentry, Bobbie | 311-6 |
| Off The Wall | Jackson, Michael | 65-15 |
| Oh Boy | Holly, Buddy | 373-2 |
| Oh Boy | Holly, Buddy | 23-10 |
| Oh Darling | Beatles, The | 411-4 |
| Oh Girl | Chi-Lites, The | 362-2 |
| Oh Girl | Chi-lites, The | 143-11 |
| Oh Happy Day | Edwin Hawkins' Singers, The | 362-15 |
| Oh Lonesome Me | Gibson, Don | 207-1 |
| Oh Lonesome Me | Kentucky Headhunters, The | 283-7 |
| Oh Look At Me Now | Jazz | 216-11 |
| Oh My Papa | Fisher, Eddie | 88-13 |
| Oh Sheila | Ready For The World | 391-9 |
| Oh Susanna | Standard | 371-5 |
| Oh What A Beautiful Morning | Oklahoma | 366-8 |
| Oh What A Night | Valli, Frankie | 249-7 |
| Oh What A Night (december 1963) | Valli, Frankie | 48-3 |
| Okie From Muskogee | Haggard, Merle | 525-11 |
| Okie From Muskogee | Haggard, Merle | 329-14 |
| Okie From Muskogee | Haggard, Merle | 8-20 |
| Okie From Muskogee | Haggard, Merle | 33-20 |
| Okie From Muskogee | Jennings, Waylon | 42-19 |
| Oklahoma | Oklahoma | 366-9 |
| Oklahoma Swing | McEntire, Reba & Vince Gill | 78-14 |
| Old Country | Chesnutt, Mark | 201-1 |
| Old Devil Moon | Bennett, Tony | 164-10 |
| Old Flames Can't Hold A Candle | Parton, Dolly | 198-16 |
| Old Home Place | Crowe, J. D. & The New South | 183-8 |
| Old Hometown | Campbell, Glen | 205-9 |
| Old Love | Clapton, Eric | 58-11 |
| Old Man From The Mountain | Haggard, Merle | 131-3 |
| Old Man River | Grant, Earl | 99-6 |
| Old Man River | Standard | 370-12 |
| Old Rugged Cross, The | Gospel - hymnal | 191-13 |
| Old Shep | Presley, Elvis | 106-6 |
| Old Slew Foot | Jim & Jesse | 183-5 |
| Old Time Rock & Roll | Seger, Bob | 11-6 |
| Old Time Rock & Roll | Seger, Bob | 29-6 |
| Old Time Rock And Roll | Seger, Bob | 40-16 |
| On A Night Like This | Trick Pony | 511-7 |
| On A Night Like This | Trick Pony w/Vocal | 511-1 |
| On A Slow Boat To China | Jazz | 215-6 |
| On An Evening In Roma | Martin, Dean | 142-6 |
| On Bended Knee | Boyz II Men | 392-11 |
| On Broadway | Benson, George | 455-1 |
| On Broadway | Benson, George | 16-3 |
| On Broadway | Drifters, The | 355-4 |
| On My Own | LaBelle, Patti & Michael McDonald | 360-12 |
| On My Own | Les Miserables | 296-5 |
| On My Word Of Honor | Platters, The | 151-6 |
| On Second Thought | Rabbitt, Eddie | 342-14 |
| On The Beach | Rea, Chris | 27-4 |
| On The Dark Side | Cafferty, John | 46-8 |
| On The Other Hand | Travis, Randy | 542-15 |
| On The Radio | Summer, Donna | 9-1 |
| On The Road Again | Nelson & Jennings | 8-8 |
| On The Road Again | Nelson, Willie | 33-8 |
| On The Road Again | Nelson, Willie | 333-12 |
| On The Road Again | Nelson, Willie | 42-17 |
| On The Street Where You Live | My Fair Lady | 264-8 |
| On The Street Where You Live | My Fair Lady | 366-15 |
| On The Street Where You Live | My Fair Lady | 14-19 |
| On The Sunny Side Of The Street | Sinatra, Frank | 69-17 |
| On The Sunny Side Of The Street | Sinatra, Frank w/vocal | 69-7 |
| On The Sunny Side Of The Street | Standard | 371-10 |
| On The Wings Of Love | Osborne, Jeffrey | 4-5 |
| On The Wings Of Love | Osborne, Jeffrey | 30-5 |
| On The Wings Of Love | Osborne, Jeffrey | 356-14 |
| On Top Of Old Smokey | Standard | 371-11 |
| Once Bitten Twice Shy | Great White | 245-12 |
| Once In A Blue Moon | Conley, Earl Thomas | 202-1 |
| Once In A While | Chimes, The | 144-5 |
| Once Upon A Time | Rochelle & Candels | 148-9 |
| Once You Loved Somebody | Dixie Chicks | 229-5 |
| Once You've Had The Best | Jones, George | 288-13 |
| One | Chorus Line | 22-14 |
| One | U2 | 152-3 |
| One Bad Apple | Osmonds, The | 383-11 |
| One Bourbon One Scotch One Beer | Hooker, John Lee | 93-8 |
| One Bourbon, One Scotch, One Beer | Hooker, John Lee | 136-16 |
| One Bourbon, One Scotch, One Beer | Hooker, John Lee w/vocal | 136-8 |
| One Boy One girl | Raye, Collin | 250-17 |
| One Boy, One Girl | Raye, Collin | 336-5 |
| One Day Closer To You | Johnson, Carolyn Dawn | 536-7 |
| One Day Closer To You | Johnson, Carolyn Dawn | 483-19 |
| One Day Closer To You | Johnson, Carolyn Dawn w/Vocal | 536-1 |
| One Day Closer To You | Johnson, Carolyn Dawn w/Vocal | 483-9 |
| One Fine Day | Chiffons, The | 376-6 |
| One Fine Day | King, Carole | 13-13 |
| One Flight Down | Jones, Norah | 291-9 |
| One For My Baby | Franklin, Lynn | 102-3 |
| One For My Baby | Sinatra, Frank | 247-15 |
| One Honest Heart | McEntire, Reba | 231-8 |
| One Hundred & Two | Judds, The | 200-11 |
| One Hundred & Two | Judds, The | 338-13 |
| One I Gave My Heart To, The | Aaliyah | 97-2 |
| One I Loved Back Then, The | Jones, George | 289-13 |
| One In A Million | Graham, Larry | 356-15 |
| One In A Million | Graham, Larry | 4-18 |
| One In A Million You | Graham, Larry | 30-18 |
| One Irish Rover | Morrison, Van | 292-16 |
| One Less Bell To Answer | Fifth Dimension, The | 21-20 |
| One Moment In Time | Houston, Whitney | 167-6 |
| One Moment in Time | Houston, Whitney | 7-12 |
| One Moment In Time | Houston, Whitney | 35-12 |
| One More For My Baby | Franklin, Lynn | 26-13 |
| One More Last Chance | Gill, Vince | 321-13 |
| One More Try | Michael, George | 386-11 |
| One Nation Under A Groove | Funkadelic | 485-1 |
| One Night | Presley, Elvis | 20-17 |
| One Night At A Time | Strait, George | 115-14 |
| One Of A Kind, Pair Of Fools | Mandrell, Barbara | 205-10 |
| One Of These Nights | Eagles, The | 50-8 |
| One Of Us | Osborne, Joan | 404-1 |
| One On The Right Is On My Left, The | Cash, Johnny | 172-14 |
| One Piece At A Time | Cash, Johnny | 172-9 |
| One Scotch One Bourbon One Beer | Hooker, John Lee | 293-14 |
| One Summer Night | Danleers | 119-8 |
| One Sweet Day | Carey, Mariah & Boyz II Men | 76-11 |
| One That You Love, The | Air Supply | 390-13 |
| One Way Or Another | Blondie | 321-11 |
| One Way Or Another | Blondie | 272-13 |
| One Way Out | Allman Brothers Band, The | 230-10 |
| One Woman Man | Hollister, Dave | 481-7 |
| One Woman Man | Hollister, Dave w/Vocal | 481-1 |
| One You Love, The | Astley, Rick | 26-3 |
| One, The | Backstreet Boys, The | 527-3 |
| One, The | Backstreet Boys, The | 488-14 |
| One, The | Backstreet Boys, The w/Vocal | 488-5 |
| One, The | John, Elton | 401-6 |
| One, The | John, Elton | 85-12 |
| One, The | John, Elton | 545-16 |
| Only God Knows | Kid Rock | 252-2 |
| Only God Knows Why | Kid Rock | 39-3 |
| Only Love | Judd, Wynonna | 211-3 |
| Only The Good Die Young | Joel, Billy | 268-6 |
| Only The Good Die Young | Joel, Billy | 405-14 |
| Only The Heart May Know | Fogelberg, Dan & Emmylou Harris | 490-12 |
| Only The Heart May Know | Fogelberg, Dan & Emmylou Harris w/Vocal | 490-2 |
| Only The Lonely | Motels, The | 385-12 |
| Only The Lonely | Orbison, Roy | 198-6 |
| Only Wanna Be With You | Hootie & The Blowfish | 533-1 |
| Only Wanna Be With You | Hootie & The Blowfish | 325-4 |
| Only You | Platters, The | 143-1 |
| Only You | Platters, The | 309-6 |
| Only You (And You Alone) | Platters, The | 151-4 |
| Only You And I Know | Clapton, Eric | 234-12 |
| Ooh Baby Baby | Ronstadt, Linda | 282-3 |
| Ooh La La | Stewart, Rod | 100-6 |
| Oops! I Did It Again | Spears, Britney | 252-1 |
| Oops! I Did It Again | Spears, Britney | 108-5 |
| Oops! I Did It Again | Spears, Britney | 499-10 |
| Oops! I Did It Again | Spears, Britney | 479-12 |
| Oops! I Did It Again | Spears, Britney w/Vocal | 499-4 |
| Open Invitation | Santana, Carlos | 239-14 |
| Open Your Heart | Madonna | 523-7 |
| Open Your Heart | Madonna w/Vocal | 523-1 |
| Opposites Attract | Abdul, Paula | 393-11 |
| Opus 17 | Four Seasons, The | 476-11 |
| Opus 17 | Four Seasons, The w/Vocal | 476-5 |
| Orange And The Green, The | Traditional | 292-15 |
| Orange Blossom Special | Cash, Johnny | 172-13 |
| Orange Colored Sky | Holiday, Billie | 459-15 |
| Ordinary World | Duran Duran | 134-7 |
| Ordinary World | Duran Duran w/vocal | 134-15 |
| Osama Yo Mama | Stevens, Ray | 539-12 |
| Osama Yo Mama | Stevens, Ray w/Vocal | 539-6 |
| Osama-Yo' Mama | Stevens, Ray | 477-20 |
| Osama-Yo' Mama | Stevens, Ray w/Vocal | 477-10 |
| Other Side, The | Red Hot Chili Peppers | 256-5 |
| Otto Titsling | Beaches | 92-1 |
| Our Day Will Come | Ruby & The Romantics | 13-6 |
| Our House | Madness | 390-8 |
| Our Love Is Here To Stay | Stewart, Rod | 158-10 |
| Our Love Is On The Faultline | Gayle, Crystal | 199-14 |
| Out Here On My Own | Cara, Irene | 294-9 |
| Out In The Street | Springsteen, Bruce | 501-2 |
| Out In The Street | Springsteen, Bruce w/Vocal | 501-11 |
| Out Of Touch | Hall & Oates | 463-11 |
| Out Of Touch | Hall & Oates w/Vocal | 463-5 |
| Outside Looking In | Coffey, Kellie | 517-11 |
| Outside Looking In | Coffey, Kellie w/Vocal | 517-5 |
| Outside Providence | Wilkinsons, The | 489-9 |
| Outside Providence | Wilkinsons, The w/Vocal | 489-18 |
| Outside Woman Blues | Clapton, Eric | 234-2 |
| Outside Woman Blues | Cream | 241-11 |
| Over The Mountain, Across The Sea | Johnnie & Joe | 149-3 |
| Over The Rainbow | Garland, Judy | 5-10 |
| Over The Rainbow | Garland, Judy | 32-10 |
| Over The Rainbow | Garland, Judy | 90-10 |
| Over The Rainbow | Garland, Judy | 304-15 |
| Over The Rainbow | Garland, Judy | 43-16 |
| Oye Como Va | Santana | 409-4 |