The 2006 World Baseball Classic (WBC) was the inaugural tournament between national baseball teams that included players from Major League Baseball. It was held from March 3 to 20 in stadiums in or around Tokyo, Japan and the American cities of San Juan, Puerto Rico; Lake Buena Vista, Florida; Phoenix, Arizona; Scottsdale, Arizona; Anaheim, California; and San Diego, California.

The Canada national baseball team represents Canada in international baseball. They are overseen by Baseball Canada, the governing body of baseball in Canada.