Rugby union is a moderately popular sport in Canada; it is quite strong as a participation sport, particularly in several hotspots like British Columbia, Atlantic Canada, the West Island of Montreal, Quebec City and Ontario but does not attract the same level of spectator support yet, likely because the CFL's popular brand of Canadian Football is still similar to rugby in many ways, whilst also being the dominant football code in the country. Rugby Canada is the administrative body for rugby union in Canada. Every province also has its own union.

Rugby union football, commonly known simply as rugby union or more often just rugby, is a close-contact team sport that originated at Rugby School in England in the first half of the 19th century. Rugby is simply based on running with the ball in hand. In its most common form, a game is played between two teams of 15 players each, using an oval-shaped ball on a rectangular field called a pitch. The field has H-shaped goalposts at both ends.