1974–75 Eerste Divisie
The Dutch Eerste Divisie in the 1974–75 season was contested by 19 teams, one team less than in the previous year. This was due to the absorption of Volewijckers by eredivisie-club FC Amsterdam. NEC Nijmegen won the championship.
New entrants
Relegated from the 1973–74 Eredivisie''Fortuna Vlaardingen changed their name to FC Vlaardingen for this season.''
Promotion competition
In the promotion competition, four period winners played for promotion to the Eredivisie.Attendances
| # | Club | Average |
| 1 | NEC | 6,778 |
| 2 | Groningen | 6,194 |
| 3 | VVV | 5,611 |
| 4 | Vitesse | 5,311 |
| 5 | Eindhoven | 5,172 |
| 6 | Heerenveen | 5,000 |
| 7 | Zwolle | 4,628 |
| 8 | Willem II | 4,306 |
| 9 | Fortuna | 3,983 |
| 10 | Cambuur | 3,444 |
| 11 | Volendam | 3,217 |
| 12 | Den Bosch | 3,144 |
| 13 | Helmond | 3,103 |
| 14 | Heracles | 2,611 |
| 15 | Veendam | 2,589 |
| 16 | SVV | 2,419 |
| 17 | Vlaardingen | 2,083 |
| 18 | Dordrecht | 2,011 |
| 19 | Amersfoort | 1,886 |
Source: