The 21st GCC Club Championship () 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.
Results
TeamPtsPldWDLGFGAGD Al Qadsia Kuwait10531164+2 Al Wasl9530285+3 Muscat9523042+2 Bahrain Riffa Club75212550 Umm-Salal4511369−3 Al-Ettifaq2502337−4 All match were played in Kuwait. Sept 16, 2005Al Qadisia 3–1 Umm SalalSept 17, 2005Al-Etifaq 2–2 MuscatSept 17, 2005Riffa 3–0 Al WaslSept 19, 2005Umm Salal 1–4 Al WaslSept 19, 2005Al Qadisia 2–1 Al-EttifaqSept 20, 2005Muscat 0–0 RiffaSept 21, 2005Al Qadisia 0–2 Al WaslSept 22, 2005Riffa 1–0 Al-EttifaqSept 22, 2005Muscat 1–0 Al WaslSept 25, 2005Umm Salal 0–0 Al-EttifaqSept 25, 2005Muscat 1–0 Al WaslSept 26, 2005Al Qadisia 1–0 RiffaSept 26, 2005Al-Ettifaq 0–2 Al WaslSept 27, 2005Riffa 1–4 Umm SalalSept 27, 2005Al Qadisia 0–0 Muscat
Top Scorer
Alexandre Oliveira (Al Wasl FC) – 4 goals
Winner
GCC Club Championship 2005 WinnersAl Qadsia Kuwait2nd Title