2003–04 First League of Serbia and Montenegro
| Season | 2003–04 |
|---|---|
| Champions | Red Star 24th domestic title |
| Relegated | Budućnost (BD) Napredak Kruševac Radnički Obrenovac Kom |
| Champions League | Red Star |
| UEFA Cup | Partizan Železnik Budućnost (BD) |
| Intertoto Cup | OFK Beograd Sartid |
| Matches | 240 |
| Goals | 584 (2.43 per match) |
| Top goalscorer | Nikola Žigić (19) |
← 2002–03 2004–05 → | |
The 2003–04 First League of Serbia and Montenegro was the second and first full season of the Serbia and Montenegro's top-level football league since its establishment. It was contested by 16 teams (13 from Serbia and three from Montenegro), and Red Star Belgrade won the championship.