The 2006 North America 4 was the first tournament of its kind, a rugby union competition between four new North American teams. Each of the four teams face each other twice during the tournament, taking place in British Columbia, and then, in Columbus, Ohio. The tournament was won by Canada West who defeated the USA Falcons 31 points to 20 in the championship final.
| Team | Won | Drawn | Lost | Pts for | Pts against | Pts diff. | Bonus pts | Pts |
|---|---|---|---|---|---|---|---|---|
| Canada West | 4 | 1 | 1 | 246 | 113 | 133 | 3 | 21 |
| USA Falcons | 3 | 0 | 3 | 165 | 144 | 21 | 5 | 17 |
| Canada East | 3 | 1 | 2 | 168 | 128 | 40 | 3 | 17 |
| USA Hawks | 1 | 0 | 5 | 86 | 279 | -193 | 1 | 5 |