| Tourney Name: | GCC Club Championship |
| Year: | 2005 |
| Country: | Kuwait |
| Dates: | 16–27 September 2005 |
| Num Teams: | 6 |
| Confederations: | AFC/UAFA |
| Champion Other: | Al-Qadsia |
| Count: | 2 |
| Second Other: | Al-Wasl |
| Prevseason: | 2003 |
| Nextseason: | 2006 |
The 21st GCC Club Championship (ar|بطولة الأنديـة الخليجية أبطال الدوري) was the 21st edition of the GCC Club Championship for clubs of the Gulf Cooperation Council nations.
The 2005 edition was won by Kuwaiti side Al Qadsia Kuwait for the second time.
| Team | Pts | Pld | W | D | L | GF | GA | GD | |
|---|---|---|---|---|---|---|---|---|---|
| Al Qadsia Kuwait | 10 | 5 | 3 | 1 | 1 | 6 | 4 | +2 | |
| Al Wasl | 9 | 5 | 3 | 0 | 2 | 8 | 5 | +3 | |
 Muscat | 9 | 5 | 2 | 3 | 0 | 4 | 2 | +2 | |
 Bahrain Riffa Club | 7 | 5 | 2 | 1 | 2 | 5 | 5 | 0 | |
 Umm-Salal | 4 | 5 | 1 | 1 | 3 | 6 | 9 | -3 | |
| Al-Ettifaq | 2 | 5 | 0 | 2 | 3 | 3 | 7 | -4 |
| width=10% | width=20% | width=12% | width=20% | |||||
|---|---|---|---|---|---|---|---|---|
| Sept 16, 2005 | Al Qadisia | 3 - 1 | Umm Salal | |||||
| Sept 17, 2005 | Al-Etifaq | 2–2 | Muscat | |||||
| Sept 17, 2005 | Riffa | 3 - 0 | Al Wasl | |||||
| Sept 19, 2005 | Umm Salal | 1 - 4 | Al Wasl | |||||
| Sept 19, 2005 | Al Qadisia | 2 - 1 | Al-Ettifaq | |||||
| Sept 20, 2005 | Muscat | 0–0 | Riffa | |||||
| Sept 21, 2005 | Al Qadisia | 0 - 2 | Al Wasl | |||||
| Sept 22, 2005 | Riffa | 1 - 0 | Al-Ettifaq | |||||
| Sept 22, 2005 | Muscat | 1–0 | Al Wasl | |||||
| Sept 25, 2005 | Umm Salal | 0 - 0 | Al-Ettifaq | |||||
| Sept 25, 2005 | Muscat | 1–0 | Al Wasl | |||||
| Sept 26, 2005 | Al Qadisia | 1 - 0 | Riffa | |||||
| Sept 26, 2005 | Al-Ettifaq | 0 - 2 | Al Wasl | |||||
| Sept 27, 2005 | Riffa | 1 - 4 | Umm Salal | |||||
| Sept 27, 2005 | Al Qadisia | 0–0 | Muscat |
Alexandre Oliveira (Al Wasl FC) – 4 goals| GCC Club Championship 2005 Winners | |
|---|---|
 | |
| Al Qadsia Kuwait 2nd Title |