| Season: | 2003–04 |
| Mgrtitle: | Manager |
| Owntitle: | Owner |
| Chairman: | Ugo Longo |
| Chrtitle: | President |
| Cup1 Result: | Winners |
| League Topscorer: | Bernardo Corradi (10) |
| Largest Win: | 4–0 vs Milan 5–2 vs Siena |
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The 2003–04 season was the 104th season in Società Sportiva Lazio's history and their 16th consecutive season in the top-flight of Italian football. Despite financial problems, Lazio attained a respectable 6th place in Serie A and won the Coppa Italia, defeating Juventus in the two-legged final.
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See main article: 2003–04 Serie A.
See main article: 2003–04 Coppa Italia.
bye due to SS Lazio being qualified to UEFA Champions League
See main article: 2004 Coppa Italia Final.
Bernardo Corradi 10
César 6 Simone Inzaghi 6 Stefano Fiore 6
Claudio López 4 (1)See main article: 2003–04 UEFA Champions League.