1998–99 Eerste Divisie
The Dutch Eerste Divisie in the 1998–99 season was contested by 18 teams. FC Den Bosch won the championship.
New entrants
Relegated from the 1997–98 EredivisiePromotion/relegation play-offs
In the promotion/relegation competition, eight entrants entered in two groups. The group winners were promoted to the Eredivisie.Attendances
| # | Club | Average |
| 1 | Groningen | 7,709 |
| 2 | Emmen | 4,980 |
| 3 | Veendam | 4,245 |
| 4 | Heracles | 3,604 |
| 5 | Go Ahead | 3,536 |
| 6 | Den Bosch | 3,253 |
| 7 | Volendam | 3,100 |
| 8 | Zwolle | 2,935 |
| 9 | Helmond | 2,907 |
| 10 | ADO | 2,744 |
| 11 | VVV | 2,399 |
| 12 | Oss | 2,245 |
| 13 | Eindhoven | 2,013 |
| 14 | RBC | 1,810 |
| 15 | Haarlem | 1,763 |
| 16 | Excelsior | 1,717 |
| 17 | Telstar | 1,459 |
| 18 | Dordrecht | 1,312 |
Source: