1998–99 Eredivisie
The Dutch Eredivisie in the 1998–99 season was contested by 18 teams. Feyenoord won the championship.
League standings
Promotion/relegation play-offs
In the promotion/relegation competition, eight entrants entered in two groups. The group winners were promoted to the Eredivisie.Attendances
Source:| No. | Club | Average | Change | Highest |
| 1 | AFC Ajax | 42,567 | -10,0% | 49,500 |
| 2 | Feyenoord | 32,007 | 26,3% | 50,000 |
| 3 | PSV | 26,853 | -3,1% | 29,500 |
| 4 | SBV Vitesse | 22,863 | 65,8% | 26,000 |
| 5 | sc Heerenveen | 13,703 | 0,9% | 14,000 |
| 6 | FC Utrecht | 12,753 | 8,3% | 14,000 |
| 7 | Willem II | 12,202 | 20,7% | 14,800 |
| 8 | FC Twente | 12,006 | 42,1% | 13,500 |
| 9 | NAC Breda | 10,920 | -14,0% | 13,110 |
| 10 | SC Cambuur | 8,418 | 63,4% | 11,200 |
| 11 | De Graafschap | 7,953 | -1,0% | 9,200 |
| 12 | AZ | 7,814 | 30,4% | 10,500 |
| 13 | Roda JC | 7,032 | -4,5% | 10,000 |
| 14 | MVV Maastricht | 6,309 | 3,5% | 9,500 |
| 15 | Fortuna Sittard | 6,268 | 4,9% | 9,000 |
| 16 | NEC | 5,876 | 14,7% | 11,000 |
| 17 | RKC Waalwijk | 5,007 | 13,8% | 7,000 |
| 18 | Sparta Rotterdam | 4,488 | -17,0% | 7,500 |