The Chicago Cubs baseball club is an original member of the National League (1876 to date), established in 1874 or 1870. Here is a list of players who appeared in at least one regular season game beginning 1874.
(Their 1870–1871 players are in Category:Chicago White Stockings players among many others to about 1890.)
Bold identifies members of the National Baseball Hall of Fame.
Italics identify players with uniform numbers retired by the team.