2006 A3 Champions Cup
| Tournament details | |
|---|---|
| Host country | Japan | 
| Dates | 2 – 8 August | 
| Teams | 4 (from 1 confederation) | 
| Venue(s) | 1 (in 1 host city) | 
| Final positions | |
| Champions | Ulsan Hyundai Horang-i (1st title) | 
| Runners-up | Gamba Osaka | 
| Third place | JEF United | 
| Fourth place | Dalian Shide | 
| Tournament statistics | |
| Matches played | 6 | 
| Goals scored | 26 (4.33 per match) | 
| Attendance | 70,950 (11,825 per match) | 
| Top scorer(s) |  Lee Chun-Soo  (Ulsan Hyundai, 6 goals)  | 
| Best player(s) |  Lee Chun-Soo  (Ulsan Hyundai)  | 
← 2005  2007 →   | |
The fourth edition of the A3 Champions Cup took place in Tokyo, Japan, between 2 and 8 August 2006. It was won by Korean team Ulsan Hyundai Horang-i, who came back strongly from their defeat in the opening match to win the following two by margins of 6–0 and 4–0. It was the third time a Korean team has won this competition.