The St. Louis Cardinals 1991 season was the team's 110th season in St. Louis, Missouri and the 100th season in the National League. The Cardinals rebounded from a rare last-place finish a year earlier to register a record of 84-78 during the season and finished 2nd to the Pittsburgh Pirates in the National League East division by fourteen games. Ozzie Smith set the National League record for fewest errors in a season by a shortstop with 8 errors. Gold Gloves were awarded to catcher Tom Pagnozzi and shortstop Ozzie Smith this year.