| THO 100 Top 100 Artists of 1998 Compiled from the weekly Top Hits Online charts of 1998 |
| 1 | Madonna | Chart History |
| 2 | Celine Dion | Chart History |
| 3 | Mariah Carey | Chart History |
| 4 | Janet Jackson | Chart History |
| 5 | Natalie Imbruglia | Chart History |
| 6 | Backstreet Boys | Chart History |
| 7 | Shania Twain | Chart History |
| 8 | Spice Girls | Chart History |
| 9 | Sarah McLachlan | Chart History |
| 10 | Goo Goo Dolls | Chart History |
| 11 | Alanis Morissette | Chart History |
| 12 | Matchbox 20 | Chart History |
| 13 | Third Eye Blind | Chart History |
| 14 | Fastball | Chart History |
| 15 | Monica | Chart History |
| 16 | Savage Garden | Chart History |
| 17 | 'N Sync | Chart History |
| 18 | Will Smith | Chart History |
| 19 | Barenaked Ladies | Chart History |
| 20 | Brandy | Chart History |
| 21 | Garbage | Chart History |
| 22 | Aerosmith | Chart History |
| 23 | Semisonic | Chart History |
| 24 | Jars Of Clay | Chart History |
| 25 | The Verve | Chart History |
| 26 | Usher | Chart History |
| 27 | All Saints | Chart History |
| 28 | Faith Hill | Chart History |
| 29 | DC Talk | Chart History |
| 30 | Amber | Chart History |
| 31 | Marcy Playground | Chart History |
| 32 | Ace of Base | Chart History |
| 33 | Smashing Pumpkins | Chart History |
| 34 | Sheryl Crow | Chart History |
| 35 | Aqua | Chart History |
| 36 | Jennifer Paige | Chart History |
| 37 | Green Day | Chart History |
| 38 | Everclear | Chart History |
| 39 | K-Ci & JoJo | Chart History |
| 40 | Amy Grant | Chart History |
| 41 | Mya | Chart History |
| 42 | Harvey Danger | Chart History |
| 43 | Chumbawumba | Chart History |
| 44 | P. Diddy | Chart History |
| 45 | Shawn Colvin | Chart History |
| 46 | Michael W. Smith | Chart History |
| 47 | Ben Folds | Chart History |
| 48 | Eve 6 | Chart History |
| 49 | Aaliyah | Chart History |
| 50 | Fuel | Chart History |
| 51 | Radiohead | Chart History |
| 52 | Robyn | Chart History |
| 53 | Newsboys | Chart History |
| 54 | Smash Mouth | Chart History |
| 55 | Dave Matthews Band | Chart History |
| 56 | Beastie Boys | Chart History |
| 57 | Gloria Estefan | Chart History |
| 58 | Hole | Chart History |
| 59 | Richard Marx | Chart History |
| 60 | Donna Lewis | Chart History |
| 61 | Edwin McCain | Chart History |
| 62 | Mase | Chart History |
| 63 | Jewel | Chart History |
| 64 | Eagle-Eye Cherry | Chart History |
| 65 | Billie Myers | Chart History |
| 66 | Ol' Dirty Bastard | Chart History |
| 67 | Pras Michel | Chart History |
| 68 | Tori Amos | Chart History |
| 69 | Next | Chart History |
| 70 | LeAnn Rimes | Chart History |
| 71 | Loreena McKennitt | Chart History |
| 72 | Cherry Poppin' Daddies | Chart History |
| 73 | R. Kelly | Chart History |
| 74 | Pearl Jam | Chart History |
| 75 | Foo Fighters | Chart History |
| 76 | Paula Cole | Chart History |
| 77 | Brian McKnight | Chart History |
| 78 | Lauryn Hill | Chart History |
| 79 | Bryan White | Chart History |
| 80 | Cornershop | Chart History |
| 81 | Mono | Chart History |
| 82 | Brian Setzer Orchestra | Chart History |
| 83 | Delirious | Chart History |
| 84 | Blink-182 | Chart History |
| 85 | Our Lady Peace | Chart History |
| 86 | Jennifer Knapp | Chart History |
| 87 | Ultra Nate | Chart History |
| 88 | U2 | Chart History |
| 89 | Jason Nevins | Chart History |
| 90 | RUN-D.M.C. | Chart History |
| 91 | Destiny's Child | Chart History |
| 92 | Lisa Loeb | Chart History |
| 93 | Stars On 54 | Chart History |
| 94 | Jocelyn Enriquez | Chart History |
| 95 | Robbie Williams | Chart History |
| 96 | Wild Orchid | Chart History |
| 97 | Hanson | Chart History |
| 98 | Five | Chart History |
| 99 | Bryan Adams | Chart History |
| 100 | Boyz 2 Men | Chart History |