| Competition: | Divizia A |
| Season: | 2003–04 |
| Winners: | Dinamo București[1] |
| Relegated: | Ceahlăul Piatra Neamț Petrolul Ploiești FC Oradea |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Dinamo București |
| Continentalcup2: | UEFA Cup |
| Continentalcup2 Qualifiers: | Steaua București Oțelul Galați |
| Continentalcup3: | Intertoto Cup |
| Continentalcup3 Qualifiers: | Gloria Bistrița |
| League Topscorer: | Ionel Dănciulescu (21) |
| Biggest Home Win: | Dinamo 7–0 Ceahlăul |
| Biggest Away Win: | Politehnica 0–8 Steaua |
| Highest Scoring: | Dinamo 7–3 Bacău |
| Matches: | 240 |
| Total Goals: | 633 |
| Longest Wins: | Dinamo (8) |
| Longest Unbeaten: | Steaua (14) |
| Longest Losses: | Național (6) |
| Prevseason: | 2002–03 |
| Nextseason: | 2004–05 |
The 2003–04 Divizia A was the eighty-sixth season of Divizia A, the top-level football league of Romania. Season began in August 2003 and ended in June 2004. Dinamo București became champions on 3 June 2004.
The teams that were relegated to Divizia B at the end of the previous season (note that although Oțelul Galați lost the relegation play–off, they remained in Divizia A, after they bought the first division place from the promoted team Petrolul Ploiești, which merged with Astra Ploiești):
The teams that were promoted from Divizia B at the start of the season:
| Poli AEK Timișoara | Steaua București | Universitatea Craiova | Rapid București | |
|---|---|---|---|---|
| Dan Păltinișanu | Steaua | Ion Oblemenco | Giulești-Valentin Stănescu | |
| Capacity: 32,972 | Capacity: 28,365 | Capacity: 25,252 | Capacity: 19,100 | |
| Apulum Alba Iulia | FCM Bacău | Farul Constanța | Dinamo București | |
| Victoria-Cetate | Dumitru Sechelariu | Gheorghe Hagi | Dinamo | |
| Capacity: 18,000 | Capacity: 17,500 | Capacity: 15,520 | Capacity: 15,032 | |
| Argeș Pitești | FC Oradea | |||
| Nicolae Dobrin | Municipal | |||
| Capacity: 15,000 | Capacity: 15,000 | |||
| Național București | Oțelul Galați | |||
| Cotroceni | Oțelul | |||
| Capacity: 14,542 | Capacity: 13,500 | |||
| Ceahlăul Piatra Neamț | FC Brașov | Gloria Bistrița | Petrolul Ploiești | |
| Ceahlăul | Tineretului | Gloria | Astra | |
| Capacity: 12,500 | Capacity: 10,000 | Capacity: 7,800 | Capacity: 7,000 | |
| Team | Head coach | Captain | Kit manufacturer | Shirt Sponsor | |
|---|---|---|---|---|---|
| Apulum Alba Iulia |  | Alin Paleacu | Lotto / Joma | Bergenbier, Elit | |
| Argeș Pitești | | Dănuț Coman | Erreà | Pic | |
| Brașov | | Mihai Stere | Nexo / Joma | Prescon | |
| Ceahlăul Piatra Neamț | | Radu Lefter | Erreà | Rifil, Romalfa | |
| Dinamo București | | Florentin Petre | Lotto | Omniasig | |
| Farul Constanța | | George Curcă | Lotto | SNC | |
| FC Oradea | | Bogdan Vrăjitoarea | Erreà | — | |
| Universitatea Craiova | | Corneliu Papură | Erreà | Golden Brau | |
| FCM Bacău | | Florin Prunea | Legea | Letea, Sonoma | |
| Gloria Bistrița | | Cristian Coroian | Erreà | Darimex | |
| Național București | | Petre Marin | Nike | Vincon Vrancea | |
| Oțelul Galați | | Sorin Ghionea | Lotto | Ispat Sidex | |
| Petrolul Ploiești | | Daniel Petroesc | Lotto | Petrom, InterAgro | |
| Poli AEK Timișoara | | Romulus Buia | Lotto | Luxten | |
| Rapid București | | Vasile Maftei | Erreà | LaDorna | |
| Steaua București | | Mirel Rădoi | Nike | — |