| Competition: | First League of Serbia and Montenegro |
| Season: | 2002–03 |
| Winners: | Partizan 18th domestic title |
| Relegated: | Rad Čukarički Javor Rudar Mogren Radnički Niš |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Partizan |
| Continentalcup2: | UEFA Cup |
| Continentalcup2 Qualifiers: | Red Star Sartid |
| Continentalcup3: | Intertoto Cup |
| Continentalcup3 Qualifiers: | OFK Beograd Sutjeska |
| League Topscorer: | Zvonimir Vukić (22) |
| Matches: | 306 |
| Total Goals: | 793 |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
The 2002–03 First League of Serbia and Montenegro (in fall season First League of FR Yugoslavia) was the eleventh and last season as FR Yugoslavia and (after was the country renamed in February 2003) first season of the Serbia and Montenegro's top-level football league since its establishment. It was contested by 18 teams, and Partizan won the championship.
Mladost Lučani, Zvezdara, Mladost Apatin and Radnički Kragujevac, were relegated to the Second League of Serbia and Montenegro.
The relegated teams were replaced by 2001–02 Second League of FR Yugoslavia champions, Radnički Obrenovac (North), Radnički Niš (East), Javor Ivanjica (West) and Mogren (South).
| Club | City | Stadium | Capacity |
|---|---|---|---|
| Partizan | Belgrade | Partizan Stadium | 32,710 |
| Red Star | Belgrade | Red Star Stadium | 55,538 |
| Vojvodina | Novi Sad | Karađorđe Stadium | 17,204 |
| Zemun | Zemun, Belgrade | Zemun Stadium | 10,000 |
| Rad | Belgrade | Stadion Kralj Petar I | 6,000 |
| Hajduk Kula | Kula | Stadion Hajduk | 6,000 |
| Obilić | Belgrade | FK Obilić Stadium | 4,500 |
| Železnik | Belgrade | Železnik Stadium | 8,000 |
| OFK Beograd | Karaburma, Belgrade | Omladinski Stadium | 20,000 |
| Sartid | Smederevo | Smederevo City Stadium | 17,200 |
| Čukarički | Belgrade | Stadion Čukarički | 7,000 |
| Sutjeska | Nikšić | Gradski stadion (Nikšić) | 10,800 |
| Zeta | Golubovci | Stadion Trešnjica | 7,000 |
| Rudar Pljevlja | Pljevlja | Stadion pod Golubinjom | 10,000 |
| Radnički Obrenovac | Obrenovac | Stadion pored Kolubare | 5,000 |
| Radnički Niš | Niš | Čair Stadium | 20,000 |
| Javor | Ivanjica | Stadion Ivanjica | 5,000 |
| Mogren | Budva | Stadion Lugovi | 4,000 |
Champions: Partizan Belgrade (Coach: Ljubiša Tumbaković (until December) and Lothar Matthäus)
Players (appearances/goals)[1]
Nenad Kutlačić
Milan Stojanoski Nenad Mišković
Taribo West Branimir Bajić