1998–99 Kansas Jayhawks men's basketball team
The 1998–99 Kansas Jayhawks men's basketball team represented the University of Kansas in the 1998–99 NCAA Division I men's basketball season, which was the Jayhawks' 101st basketball season. The head coach was Roy Williams, who served his 11th year at KU. The team played its home games in Allen Fieldhouse in Lawrence, Kansas.
Roster
| Name | # | Position | Height | Weight | Year | Home Town |
| Jeff Boschee | 13 | Guard | 6–1 | 185 | Freshman | Valley City, North Dakota |
| Nick Bradford | 21 | Forward | 6-6 | 190 | Junior | Fayetteville, Arkansas |
| Jeff Carey | 22 | Forward/Center | 6–10 | 230 | Freshman | Camdenton, Missouri |
| Eric Chenowith | 44 | Center | 7–0 | 235 | Sophomore | Orange, California |
| John Crider | 12 | Guard | 6-3 | 180 | Freshman | Horton, Kansas |
| Lester Earl | 3 | Forward | 6-8 | 235 | Junior | Baton Rouge, Louisiana |
| Kenny Gregory | 20 | Guard/Forward | 6–5 | 215 | Sophomore | Columbus, Ohio |
| Jelani Janisse | 23 | Guard | 6–3 | 210 | Senior | Los Angeles, California |
| Ashante Johnson | 31 | Forward | 6–8 | 210 | Junior | San Diego, California |
| Marlon London | 24 | Guard | 6–3 | 180 | Freshman | Broadview, Illinois |
| Chris Martin | 30 | Guard | 6–2 | 190 | Senior | Overland Park, Kansas |
| Terry Nooner | 5 | Guard | 6–0 | 170 | Senior | Raytown, Missouri |
| T.J. Pugh | 32 | Forward | 6–8 | 240 | Senior | Omaha, Nebraska |
| Ryan Robertson | 4 | Guard | 6–5 | 190 | Senior | Saint Charles, Missouri |
Big 12 Conference standings
Schedule
!colspan=9| Big 12 Tournament!colspan=9| NCAA Tournament
Rankings
| Poll | Pre | Wk 1 | Wk 2 | Wk 3 | Wk 4 | Wk 5 | Wk 6 | Wk 7 | Wk 8 | Wk 9 | Wk 10 | Wk 11 | Wk 12 | Wk 13 | Wk 14 | Wk 15 | Wk 16 | Wk 17 | |
| AP | 8 | 8 | 8 | 7 | 10 | 13 | 13 | 18 | 18 | 15 | 19 | 22 | 24 | 22 | - | ||||
| Coaches | - |
- There was no coaches poll in week 1.