2003–04 Eerste Klasse was a Dutch association football season of the Eerste Klasse.
| Season | 2003–4 |
|---|---|
| Relegated | 2004–05 Tweede Klasse |
← 2002–03 2004–05 → | |
Saturday champions were:
- A: RKAV Volendam
- B: BVV Barendrecht
- C: Kozakken Boys
- D: Excelsior '31
- E: ONS Sneek
Sunday champions were:
- A: DWV
- B: UVS Leiden
- C: VV Geldrop
- D: EVV Echt
- E: VV Germania
- F: WKE '16