The 2006 Rugby Canada Super League season was the ninth season for the RCSL.
| Team | Pld | W | D | L | F | A | +/- | BP | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|
| Saskatchewan Prairie Fire | 4 | 4 | 0 | 0 | 201 | 50 | +151 | 4 | 20 | |
| Edmonton Gold | 4 | 2 | 0 | 2 | 85 | 97 | -12 | 1 | 9 | |
| Calgary Mavericks | 4 | 2 | 0 | 2 | 78 | 121 | -43 | 1 | 9 | |
| BC Wave | 4 | 1 | 0 | 3 | 72 | 139 | -67 | 2 | 6 | |
| Vancouver Island Crimson Tide | 4 | 1 | 0 | 3 | 76 | 105 | -29 | 1 | 5 |
| Team | Pld | W | D | L | F | A | +/- | BP | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|
| Newfoundland Rock | 6 | 6 | 0 | 0 | 330 | 52 | +278 | 5 | 29 | |
| Niagara Thunder | 6 | 5 | 0 | 1 | 215 | 101 | +114 | 4 | 24 | |
| Ottawa Harlequins | 6 | 3¹ | 0 | 3 | 119 | 148 | -29 | 3 | 15 | |
| New Brunswick Black Spruce | 6 | 2 | 0 | 4 | 105 | 140 | -35 | 3 | 11 | |
| Toronto Xtreme | 6 | 2 | 0 | 4¹ | 71 | 179 | -108 | 1 | 9 | |
| Quebec Caribou | 6 | 2 | 0 | 4 | 77 | 161 | -84 | 0 | 8 | |
| Nova Scotia Keltics | 6 | 1 | 0 | 5 | 23 | 219 | -136 | 1 | 5 |
¹ The Toronto Xtreme failed to fulfill their fixture against the Ottawa Harlequins. The Harlequins were credited with a 10–0 victory.
The Newfoundland Rock (Eastern Division champions) defeated the Saskatchewan Prairie Fire (Western Division Champions) 28–14 in the Championship Final, played in St. John's, Newfoundland and Labrador on 5 August 2006. Newfoundland and Labrador Premier Danny Williams presented the Rock with the MacTier Cup, indicative of national rugby supremacy.