| Title | Artist | Song # |
| O Come All Ye Faithful | Christmas | 326-2 |
| O Come All Ye Faithful | Christmas | 331-15 |
| O Holy Night | Christmas | 331-9 |
| O Little Town Of Bethlehem | Christmas | 329-5 |
| O Little Town Of Bethlehem | Christmas | 331-6 |
| O What A Thrill | Mavericks, The | 109-4 |
| O' Come All Ye Faithful | Christmas | 329-10 |
| Ocean Front Property | Strait, George | 138-3 |
| Ocean Front Property | Strait, George | 080-5 |
| Ode To Billie Joe | Gentry, Bobbie | 266-12 |
| Oh Christmas Tree | Christmas | 326-10 |
| Oh Darling | Beatles, The | 091-14 |
| Oh Lonesome Me | Gibson, Don | 184-12 |
| Oh Look At Me Now | Jazz | 227-11 |
| Oh Me Oh My Sweet Baby | Diamond Rio | 136-14 |
| Oh Not My Baby | Ronstadt, Linda | 064-5 |
| Oh Pretty Woman | Orbison, Roy & Candy Men | 038-4 |
| Oh What A Beautiful Morning | Oklahoma | 128-13 |
| Oh What A Night | Valli, Frankie | 260-7 |
| Oh, Look At Me Now | Sinatra, Frank | 003-18 |
| Oh, Look At Me Now | Sinatra, Frank w/vocal | 003-8 |
| Okie From Muskogee | Haggard, Merle | 126-20 |
| Oklahoma | Oklahoma | 128-24 |
| Oklahoma Swing | McEntire, Reba & Vince Gill | 224-2 |
| Oklahoma Swing | McEntire, Reba & Vince Gill w/vocal | 224-10 |
| Ol' Man River | Grant, Earl | 145-6 |
| Ol' Red | Shelton, Blake | 208-13 |
| Ol' Red | Shelton, Blake w/vocal | 208-3 |
| Old Devil Moon | Bennett, Tony | 032-10 |
| Old Devil Moon | Sinatra, Frank | 001-16 |
| Old Devil Moon | Sinatra, Frank w/vocal | 001-6 |
| Old Flames Have New Names | Chesnutt, Mark | 136-9 |
| Old Hippie | Bellamy Brothers, The | 322-11 |
| Old Lamplighter, The | Browns, The | 211-9 |
| Old Man's Back In Town, The | Christmas | 328-2 |
| Old Time Rock & Roll | Segar, Bob | 073-15 |
| Old Time Rock & Roll | Seger, Bob | 120-6 |
| Oliver | Broadway | 174-3 |
| Oliver (Reprise) | Broadway | 174-20 |
| On A Clear Day You Can See Forever | Sinatra, Frank | 098-13 |
| On A Mission | Trick Pony | 299-5 |
| On A Mission | Trick Pony | 221-14 |
| On A Mission | Trick Pony w/vocal | 221-4 |
| On A Night Like This | Trick Pony | 171-7 |
| On A Slow Boat To China | Jazz | 226-6 |
| On A Snowy Christmas Night | Christmas | 329-11 |
| On Bended Knee | Boyz II Men | 068-7 |
| On Broadway | Benson, George | 039-15 |
| On My Own | LaBelle, Patti & Michael McDonald | 305-5 |
| On The Dark Side | Cafferty, John & Beaver Brown | 307-13 |
| On The Good Ship Lollipop | Temple, Shirley | 098-8 |
| On The Road Again | Nelson, Willie | 126-8 |
| On The Street Where You Live | Broadway | 173-10 |
| On The Street Where You Live | My Fair Lady | 275-8 |
| On The Sunny Side Of The Street | Sinatra, Frank | 010-28 |
| On The Sunny Side Of The Street | Sinatra, Frank w/vocal | 010-14 |
| On The Wings Of Love | Osborne, Jeffrey | 119-5 |
| On The Wings Of Love | Osborne, Jeffrey | 041-8 |
| Once Bitten Twice Shy | Great White | 256-12 |
| Once Upon A Time | Sinatra, Frank | 011-11 |
| Once Upon A Time | Sinatra, Frank | 025-12 |
| Once Upon A Time | Sinatra, Frank w/vocal | 011-1 |
| Once You Loved Somebody | Dixie Chicks | 240-5 |
| One | Three Dog Night | 358-4 |
| One | Three Dog Night | 060B-10 |
| One | U2 | 334-12 |
| One And Only Love | Taff, Russ | 135-13 |
| One Boy One girl | Raye, Collin | 261-17 |
| One Day Closer To You | Johnson, Carolyn Dawn | 217-19 |
| One Day Closer To You | Johnson, Carolyn Dawn w/vocal | 217-9 |
| One Emotion | Black, Clint | 332-8 |
| One For My Baby | Bennett, Tony | 028-10 |
| One For My Baby | Sinatra, Frank | 025-13 |
| One For My Baby | Sinatra, Frank | 006-15 |
| One For My Baby | Sinatra, Frank | 258-15 |
| One For My Baby | Sinatra, Frank | 019-16 |
| One For My Baby | Sinatra, Frank w/vocal | 019-4 |
| One For My Baby | Sinatra, Frank w/vocal | 006-5 |
| One Good Man | Wright, Michelle | 109-12 |
| One Hand One Heart | Diamond, Neil | 175-9 |
| One Honest Heart | McEntire, Reba | 129-2 |
| One Honest Heart | McEntire, Reba | 242-8 |
| One I Loved Back Then, The | Jones, George | 300-8 |
| One In A Million | Graham, Larry | 041-7 |
| One In A Million You | Graham, Larry | 119-18 |
| One Last Breath | Creed | 315-7 |
| One Man Woman | Judds, The | 136-13 |
| One Moment In Time | Houston, Whitney | 118-12 |
| One More Day | Diamond Rio | 157-11 |
| One More Day | Diamond Rio | 100-19 |
| One More Day | Diamond Rio w/vocal | 100-9 |
| One Night A Day | Brooks, Garth | 207-3 |
| One Night A Day | Brooks, Garth | 058-5 |
| One Night At A Time | Strait, George | 209-10 |
| One Night At A Time | Strait, George | 341-14 |
| One Night In New Orleans | Blackhawk | 216-11 |
| One Night In New Orleans | Blackhawk w/vocal | 216-1 |
| One Of These Days | McGraw, Tim | 140-14 |
| One Of These Nights | Eagles, The | 298-2 |
| One Step At A Time | Jewell, Buddy | 359-15 |
| One Step At A Time | Jewell, Buddy w/vocal | 359-5 |
| One Voice | Gilman, Billy | 167-9 |
| One Way Or Another | Blondie | 283-13 |
| One Way Out | Allman Brothers Band, The | 241-10 |
| One, The | Allan, Gary | 206-18 |
| One, The | Allan, Gary w/vocal | 206-8 |
| Only God Knows | Kid Rock | 263-2 |
| Only God Knows Why | Kid Rock | 114-8 |
| Only In America | Brooks & Dunn | 180-2 |
| Only The Good Die Young | Joel, Billy | 044-4 |
| Only The Good Die Young | Joel, Billy | 279-6 |
| Only The Good Die Young | Joel, Billy | 043-14 |
| Only The Good Die Young | Joel, Billy | 042-15 |
| Only The Good Die Young | Joel, Billy w/vocal | 043-6 |
| Only The Lonely | Motels, The | 084-18 |
| Only The Lonely | Sinatra, Frank | 006-12 |
| Only The Lonely | Sinatra, Frank w/vocal | 006-2 |
| Only The Young | Journey | 357-12 |
| Only You Know & I Know | Clapton, Eric | 245-12 |
| Oom-Pa-Pa | Broadway | 174-13 |
| Ooo Baby Baby | Robinson, Smokey & The Miracles | 343-14 |
| Ooo Baby Baby | Robinson, Smokey & The Miracles w/vocal | 343-6 |
| Oops! I Did It Again | Spears, Britney | 263-1 |
| Oops! I Did It Again | Spears, Britney | 115-9 |
| Open Invitation | Santana, Carlos | 250-14 |
| Open Your Eyes | Goldfinger | 294-16 |
| Open Your Eyes | Goldfinger w/vocal | 294-7 |
| Orange Colored Sky | Cole, Natalie | 339-8 |
| Ordinary World | Duran Duran | 320-9 |
| Other Side, The | Red Hot Chili Peppers | 267-5 |
| Our Day Will Come | Ruby & The Romantics | 060B-14 |
| Our Lives | Calling | 370-8 |
| Our Love Is Here To Stay | Connick, Harry Jr. | 033-12 |
| Our Love Is Here To Stay | Connick, Harry Jr. w/voca | 033-2 |
| Out Of Control Raging Fire | Loveless, Patty & Travis Tritt | 301-15 |
| Out Of My Dreams | Oklahoma | 128-21 |
| Outside Woman Blues | Clapton, Eric | 245-2 |
| Outside Woman Blues | Cream | 252-11 |
| Over The Rainbow | Garland, Judy | 127-10 |
| Over The Rainbow | Garland, Judy | 063-18 |
| Overture (Music Man) | Broadway | 172-1 |
| Overture (My Fair Lady) | Broadway | 173-1 |
| Overture (Oliver) | Broadway | 174-1 |
| Oye Como Va | Santana | 064-8 |