- This list is complete and up-to-date through the 2024 season.
The following is a list of players, both past and current, who appeared in at least one game for the St. Louis Cardinals franchise, including the 1882 St. Louis Brown Stockings, the 1883–1898 St. Louis Browns, and the 1899 St. Louis Perfectos.
Players in Bold are members of the National Baseball Hall of Fame.
Players in Italics have had their numbers retired by the team.
* designates elected as a manager.