| Competition: | Superettan |
| Season: | 2004 |
| Winners: | Häcken |
| Promotion To: | Allsvenskan |
| Matches: | 240 |
| Prevseason: | 2003 |
| Nextseason: | 2005 |
The 2004 Superettan was part of the 2004 Swedish football season, and the fifth season of Superettan, Sweden's second-tier football division in its current format. A total of 16 teams contested the league.
It was contested by 16 teams, and BK Häcken won the championship.
| Rank | Player | Club | Goals[1] |
|---|---|---|---|
| 1 |  Stefan Bärlin | Västerås SK | 23 |
| 2 |  Dioh Williams | BK Häcken | 16 |
| 3 | Pontus Karlsson | Åtvidabergs FF | 14 |
 Kabba Samura | Assyriska | 14 | |
| Andreas Alm | IFK Norrköping | 14 | |
| 6 | Joakim Hagernäs | Café Opera/Djursholm | 13 |
| Andreas Haddad | Assyriska | 13 | |
| Daniel Johansson | Friska Viljor FC | 13 | |
| 9 | Daniel Westlin | Gefle IF | 12 |
| Pär Cederqvist | Östers IF | 12 | |
| Kristian Bergström | Åtvidabergs FF | 12 |
(Minimum of 10 games played)
| Rank | Goalkeeper | Club | [2] | |||
|---|---|---|---|---|---|---|
| 1 | Mattias Hugosson | Gefle IF | 25 | 17 | 85 | 14 |
| Daniel Örlund | Café Opera/Djursholm | 25 | 25 | 85 | 7 | |
| 3 | Claes Green | Östers IF | 15 | 18 | 78 | 5 |
| 4 | David Wikström | Västerås SK | 26 | 41 | 77 | 6 |
| 5 | Lee Baxter | Bodens BK | 17 | 21 | 76 | 4 |
| Tommy Karlsson | Falkenbergs FF | 30 | 52 | 76 | 7 | |
| Christoffer Källqvist | BK Häcken | 29 | 30 | 76 | 10 | |
| Peter Kennfors | Östers IF | 14 | 15 | 76 | 5 | |
| Henrik Gustavsson | Åtvidabergs FF | 28 | 43 | 77 | 4 | |
| 10 | Andreas Lindberg | IFK Norrköping | 30 | 37 | 75 | 11 |