The Hazfi Cup 2004–05 was the 18th staging of Iran's football knockout competition organized annually by the Football Federation Islamic Republic of Iran.
Matches were played between 3 April and 26 June 2005.
| Home team | Score | Away team | |
|---|---|---|---|
| Saba | 1–0 | ||
| Iranjavan Boushehr | 2–5 | Fajr Sepasi | |
| Paykan Tehran | 3–1 | Shahin Bushehr | |
| Saipa | 2–1 | Zob Ahan | |
| Ansar Shahroud | 1–2 | Sanaye Arak | |
| Pegah Gilan | 0–1 | Esteghlal Ahvaz | |
| Persepolis | 0–1 | Aboomoslem | |
| PAS | 4–1 | Sepahan |
Matches were played between 13 May and 1 July 2005.
| Home team | Score | Away team | |
|---|---|---|---|
| 0–0 | Saipa | ||
| Saipa progress 6–5 on penalties. | |||
| Saba | 4–2 | PAS Tehran | |
| Aboomoslem | 1–0 | Paykan | |
| Esteghlal Ahvaz | (w/o) | Sanaye Arak | |
Matches were played on 8 July 2005.
| Home team | Score | Away team | |
|---|---|---|---|
| Saba Battery | 4–4 | ||
| Saba progress 6–5 on penalties. | |||
| Fajr Sepasi | 0–0 | Aboomoslem | |
| Aboomoslem progress 6–7 on penalties. | |||
See main article: 2005 Hazfi Cup Final.