| Season: | 2004–05 |
| Matches: | 180 |
| Total Goals: | 504 |
| Nextseason: | 2005–06 |
The 2004–05 Austrian Football First League season was the 31st season of second level league football in Austria. It was the third season that it used the name Red Zac First League.
| Club Name | Stadium | Capacity | |
|---|---|---|---|
| Austria Lustenau | Reichshofstadion | 12,500 | |
| DSV Leoben | Donawitz Stadium | 6,000 | |
| Sportstadion Gratkorn | 3,000 | ||
| Hypo-Arena | 32,000 | ||
| Kapfenberger SV | Franz Fekete Stadium | 12,000 | |
| Linzer Stadion | 14,000 | ||
| SC Rheindorf Altach | Stadion Schnabelholz | 8,900 | |
| SV Ried | Fill Metallbau Stadion | 7,680 | |
| SC Untersiebenbrunn | Sportplatz Untersiebenbrunn | ||
| SV Wörgl | Sportstadion Wörgl | 3,500 |