| Competition: | Corgoň Liga |
| Season: | 2004–05 |
| Dates: | 24 July 2004 – 15 June 2005 |
| Winners: | Artmedia Bratislava |
| Relegated: | Rimavská Sobota |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Artmedia Bratislava |
| Continentalcup2: | UEFA Cup |
| Continentalcup2 Qualifiers: | MŠK Žilina Dukla Banská Bystrica |
| Continentalcup3: | Intertoto Cup |
| Continentalcup3 Qualifiers: | ZTS Dubnica |
| League Topscorer: | Filip Šebo (22 goals) |
| Matches: | 180 |
| Total Goals: | 447 |
| Average Attendance: | 2,327 |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 Slovak First Football League (known as the Slovak Corgoň Liga for sponsorship reasons) was the 12th season of first-tier football league in Slovakia, since its establishment in 1993. It began on 24 July 2004 and ended on 15 June 2005.[1] MŠK Žilina were the defending champions.
A total of 10 teams was contested in the league, including 9 sides from the 2003–04 season and one promoted from the 2. Liga.
Relegation for ŠK Slovan Bratislava to the 2004–05 2. Liga was confirmed on 25 May 2004. The one relegated team were replaced by FC Rimavská Sobota.
| Rank | Player | Club | Goals[2] |
|---|---|---|---|
| 1 |  Filip Šebo | Artmedia Bratislava | 22 |
| 2 | Ivan Bartoš | Žilina | 18 |
| 3 | Martin Jakubko | Banská Bystrica | 14 |
| 4 | Stanislav Šesták | Žilina | 13 |
| 5 | Juraj Halenár | Inter Bratislava | 12 |
| Róbert Semeník | Banská Bystrica | ||
| 7 | Roland Števko | Ružomberok | 11 |
| 8 | Branislav Fodrek | Artmedia Bratislava | 10 |
| 9 | Marek Bakoš | Matador Púchov | 9 |
| Marián Čišovský | Žilina | ||
| Ivan Lietava | AS Trenčín | ||
| Pavol Masaryk | Spartak Trnava | ||
| Martin Mikulič | Artmedia Bratislava | ||
| Pavol Straka | ZTS Dubnica | ||