2003–04 Croatian Second Football League
| Season | 2003–04 |
|---|---|
| Champions | Međimurje (North Division) Pula 1856 (South Division) |
| Promoted | Međimurje Pula 1856 |
| Relegated | Virovitica Sloga Nova Gradiška Orijent |
← 2002–03 2004–05 → | |
The 2003–04 Druga HNL (also known as 2. HNL) season was the 13th season of Croatia's second level football since its establishment in 1992. The league was contested in two regional groups (North Division and South Division), with 12 clubs each.