| O | IN THE GAME | 4:21 | HOLLYWOOD / EA SPORTS | 1639 | Y |
| O | INTERVIEW | X:XX | VIDEO VISION | 1786 | LMT |
| O.G.C. | NO FEAR | 4:07 | DUCK DOWN / PRIORITY | 105 | Y |
| OASIS | GO LET IT OUT | 4:46 | EPIC | 1843 | Y |
| OBLIVIANS , THE | WHAT'S THE MATTER NOW | 2:44 | CRYPT | 494 | Y |
| ODDS | SOMEONE WHO'S COOL | 3:11 | ELEKTRA | 120 | Y |
| O'DELL & PORSHA | NOTHIN STAYS THE SAME | 4:55 | NO LIMIT / PRIORITY | 1385 | Y |
| OFFSPRING , THE | I CHOOSE | 4:01 | COLUMBIA | 523 | Y |
| OFFSPRING , THE | PRETTY FLY (FOR A WHITE GUY) | 3:39 | COLUMBIA | 1147 | Y |
| OFFSPRING , THE | SHE'S GOT ISSUES | 3:49 | COLUMBIA | 1693 | Y |
| OFFSPRING , THE | THE KIDS AREN'T ALRIGHT | 2:59 | COLUMBIA | 1561 | Y |
| OFFSPRING , THE | THE MEANING OF LIFE | 2:56 | COLUMBIA | 499 | Y |
| OGC | BOUNCE TO THE OUNCE | 4:50 | DUCK DOWN / PRIORITY | 1460 | Y |
| OGC | HURRICANE DANJER | 4:05 | DUCK DOWN / PRIORITY | 113 | Y |
| O'JRU f / TRAGEDY (KHADAFI) | U BLESS ME | 3:31 | LIFE SUPPORT | 719 | Y |
| OL' SKOOL | ONLY ONE | 3:55 | UNIVERSAL | 1476 | Y |
| OLEANDER | I WALK ALONE | 4:09 | UNIVERSAL | 1931 | Y |
| OLIVER | I'LL GET BY | 3:27 | REAL DEAL | 1668 | Y |
| OLIVIA | BIZZOUNCE - CLEAN VERSION | 3:21 | J RECORDS | 2419 | Y |
| OLIVIA | BIZZOUNCE - DIRTY VERSION | 3:21 | J RECORDS | 2419 | Y |
| ONE MINUTE SILENCE | HOLY MAN | 3:51 | V 2 | 2019 | Y |
| ONE VOICE | WHEN U THINK ABOUT ME | 4:14 | KAMIKAZE | 1601 | Y |
| OPM | HEAVEN IS A HALFPIPE (IF I DIE) | 4:17 | ATLANTIC | 2151 | Y |
| OPTIGANALLY YOURS | MR. WILSON | X:XX | CARGO / EPITAPH | 1312 | Y |
| ORAN JUICE JONES f / STU LARGE & CAMP LO | POPPIN THAT FLY | 4:40 | TOMMY BOY MUSIC | 351 | Y |
| ORB , THE | OXBOW LAKES | 4:30 | ISLAND | 144 | Y |
| ORBITAL | THE SAINT | 4:30 | PAYDAY / MO WAX / FFRR | 246 | Y |
| ORGANIZED KONFUSION | SOMEHOW SOMEWAY | 3:45 | PRIORITY | 438 | Y |
| ORGANIZED NOISE F / QUEEN LATIFAH | SET IT OFF | 4:00 | EASTWEST / EEG | 54 | Y |
| ORGY | FICTION | 3:24 | REPRISE | 2238 | Y |
| OSCAR DE LA HOYA | RUN TO ME | 3:38 | CAPITOL | 2306 | Y |
| OUR LADY PEACE | 4AM | 3:43 | COLUMBIA | 998 | Y |
| OUR LADY PEACE | COMPILATION REEL | 15:58 | COLUMBIA | 1638 | Y |
| OUR LADY PEACE | IS ANYBODY HOME? | 3:42 | COLUMBIA | 1849 | Y |
| OUTKAST | ATLIENS | 4:01 | LA FACE | 97 | Y |
| OUTKAST | B.O.B. | 4:24 | ARISTA | 2264 | Y |
| OUTKAST | DA ART OF STORY TELLIN' | 3:52 | LAFACE | 1275 | Y |
| OUTKAST | IN DUE TIME | 4:20 | LA FACE | 641 | Y |
| OUTKAST | JAZZY BELLE (remix) | 4:02 | LA FACE | 445 | Y |
| OUTKAST | JAZZY BELLE (REMIX-MTV VERSION) | 4:02 | LA FACE | 257 | Y |
| OUTKAST | MISS JACKSON | 4:58 | ARISTA | 2375 | Y |
| OUTKAST | ROSA PARKS | 4:26 | LAFACE | 1074 | Y |
| OUTLAWZ f / TUPAC SHAKUR , THE | MADE FIGGAZ | 4:16 | DEATH ROW | 598 | Y |
| OUTSIDAZ | EPK: NIGHT LIFE | 9:45 | RUFFNATION | 1830 | LMT |
| OUTSIDAZ | RAH RAH | 3:50 | RUFFNATION | 1830 | Y |
| OUTSIDERZ 4 LIFE | NOT ENOUGH | 3:19 | VIRGIN | 2428 | Y |
| OUTSIDERZ 4 LIFE | WHO R U? (TIMBALAND RMX) | 3:54 | VIRGIN | 2163 | Y |
| OUTTA ORDER | TUTTI FRUITTI JUMP | 3:28 | WARNER BROS. | 721 | Y |
| OZOMATLI | CUT CHEMIST SUITE | 4:08 | ALMO / INTERSCOPE | 1209 | Y |
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