| In My Time (Infocalypse Mix) | Single | 1998 | — |
| In The Cold | Single | 1998 | — |
| In the Zone | Single | 1998 | — |
| Incredible | Single | 1998 | — |
| Independence Day | Single | 1998 | — |
| Indian Flute / Naughty Eye | Single | 1998 | — |
| Information | Album | 1998 | — |
| It's Yours | Single | 1998 | — |
| It's Yours | Single | 1998 | — |
| Itmnd | Single | 1998 | — |
| Jay Dee Project | Album | 1998 | Compilation |
| Joe and pimp | Single | 1998 | — |
| Joints & Jam Remixes | Single | 1998 | — |
| Joints and Jam | Single | 1998 | — |
| Journey to the Past | Single | 1998 | Soundtrack |
| Judgement Day | Single | 1998 | — |
| Know | Single | 1998 | — |
| La fidanzata | Single | 1998 | — |
| Laffy Taffy | Single | 1998 | — |
| Lampfest | Single | 1998 | — |
| Le Flow: The Definitive French Hip Hop Compilation | Album | 1998 | Compilation |
| Lean Left | Single | 1998 | — |
| Legacy | Single | 1998 | — |
| Lightaleak | Single | 1998 | — |
| Like It Like That / Pad & Pen | Single | 1998 | — |
| Live | Album | 1998 | Live |
| Live Mix pt. 1 | Album | 1998 | Live |
| Live Radio One Evening Session | Album | 1998 | Live |
| Livewires | Single | 1998 | — |
| Livin' Astro | EP | 1998 | — |
| Locked up | Single | 1998 | — |
| Lol money | Single | 1998 | — |
| Lovely Daze | Single | 1998 | — |
| L’École du micro d’argent | Single | 1998 | — |
| Made2own | Single | 1998 | — |
| Madthumbs | Single | 1998 | — |
| Makes Me Sweat | Single | 1998 | Soundtrack |
| Meilleurs Vœux | Single | 1998 | — |
| Mersh EP | EP | 1998 | — |
| Methodfunctionproperty | Single | 1998 | — |
| Mixtape Crap | Single | 1998 | — |
| Money by the Ton | Single | 1998 | — |
| Money By The Ton | Single | 1998 | — |
| Mr. Pwns | Single | 1998 | — |
| My 9mm Goes Bang / Criminal Minded | Single | 1998 | — |
| My My Hey Hey | Single | 1998 | — |
| My Screwopoly | Single | 1998 | — |
| Nerd Ambition | Single | 1998 | — |
| Nerd Love | Single | 1998 | — |
| Nerdcentric | EP | 1998 | — |
| Newsweek On Air | Single | 1998 | — |
| Nightbreak | Single | 1998 | — |
| Niik | Single | 1998 | — |
| North American Adonis | EP | 1998 | — |
| Oh (wh)y | Single | 1998 | — |
| Old Habits | Single | 1998 | — |
| Old School Vs. New School | Single | 1998 | — |
| On My Starship | Single | 1998 | — |
| One | Single | 1998 | — |
| One Day | Single | 1998 | — |
| Our Enemies | Single | 1998 | — |
| Outcesticide V: Disintegration | Album | 1998 | Compilation |
| P-Jay’s Unda-Pendent Hip-Hop, Volume 1 | Album | 1998 | Compilation |
| Pb2k3 | Single | 1998 | — |
| Petit Frère | Single | 1998 | — |
| Phillip Nis in High School | Single | 1998 | — |
| Planet Asia EP | EP | 1998 | — |
| Plz B 2 Sign Me As Gangsta Rapper | Single | 1998 | — |
| Poetry / Elementary | Single | 1998 | — |
| Presents Phax 'n' Phixion | Album | 1998 | Compilation |
| Pre‐Trial Motion | Album | 1998 | Compilation, DJ-mix |
| Prime Time | Single | 1998 | — |
| Punish Me | Single | 1998 | — |
| Pussy Pop & Handle Your Business | Single | 1998 | — |
| Quelques balles de plus pour... Le calibre qu'il te faut | Album | 1998 | — |
| Raise the Roof | Single | 1998 | — |
| Rare Tracks & Beast | Album | 1998 | Compilation |
| Real DG | Single | 1998 | — |
| RIP | Single | 1998 | — |
| Rosa Parks | Single | 1998 | — |
| Runnin’ (’98 remixes) | Single | 1998 | — |
| Rusty Nails IV | Album | 1998 | Compilation, DJ-mix |
| Sans rémission | Single | 1998 | — |
| Schlook From Birth | EP | 1998 | — |
| Sex, Money & Thugs | Single | 1998 | — |
| Shawty Freak a Lil’ Sumtin’ | Single | 1998 | — |
| Shining Star | Single | 1998 | — |
| Sidewalk Headliners | Album | 1998 | Compilation |
| Sidewaydaze | Album | 1998 | — |
| Skew It on the Bar-B | Single | 1998 | — |
| Smack My Bitch Up | Album | 1998 | — |
| Still Not a Player | Single | 1998 | — |
| Street Symphony | Single | 1998 | — |
| Super Hoe / Scott LaRock Megamix | EP | 1998 | — |
| Survival of the Illest, Vol. 3 | Album | 1998 | Compilation, DJ-mix |
| The Ablist | Single | 1998 | — |
| The Final Chapter | Album | 1998 | — |
| The First Time | Single | 1998 | — |
| The Grand Finale | Single | 1998 | — |
| The Militia | Single | 1998 | — |