The 1991 Toronto Blue Jays season was the franchise's 15th season of Major League Baseball. It resulted in the Blue Jays finishing first in the American League East with a record of 91 wins and 71 losses. The team's paid attendance of 4,001,527 led the major leagues, as the Blue Jays became the first team in MLB history to draw four million fans in a season. The Blue Jays hosted the All-Star Game on July 9.
Toronto lost the ALCS to the eventual World Series champion Minnesota Twins in five games.