The following is a list of United States baseball teams that played in the National League in the 19th century.
- Baltimore Orioles 1882-99
- Boston Red Stockings 1876-1900
- Brooklyn Hartfords 1877
- Brooklyn Dodgers 1890-1900
- Buffalo Bisons 1879-85
- Chicago White Stockings 1876-1900
- Cincinnati Reds 1876-80
- Cincinnati Reds 1890-1900
- Cleveland Forest Citys 1879-84
- Cleveland Spiders 1889-99
- Detroit Wolverines 1881-88
- Hartford Dark Blues 1876
- Indianapolis Blues 1878
- Indianapolis Hoosiers 1887-89
- Kansas City Cowboys 1886
- Louisville Grays 1876-77
- Louisville Colonels 1892-99
- Milwaukee Grays 1878
- New York Mutuals 1876
- New York Giants 1883-1900
- Philadelphia Athletics 1876
- Philadelphia Phillies 1883-1900
- Pittsburgh Pirates 1887-1900
- Providence Grays 1878-85
- St. Louis Brown Stockings 1876-77
- St. Louis Maroons 1885-86
- St. Louis Browns 1892-1900
- Syracuse Stars 1879
- Troy Trojans 1879-82
- Washington Senators 1886-89
- Washington Senators 1892-99
- Worcester Brown Stockings 1880-82
National League Champions 1876-1900
- 1876 Chicago White Stockings
- 1877 Boston Red Stockings
- 1878 Boston Red Stockings
- 1879 Providence Grays
- 1880 Chicago White Stockings
- 1881 Chicago White Stockings
- 1882 Chicago White Stockings
- 1883 Boston Red Stockings
- 1884 Providence Grays
- 1885 Chicago White Stockings
- 1886 Chicago White Stockings
- 1887 Detroit Wolverines
- 1888 New York Giants
- 1889 New York Giants
- 1890 Brooklyn Dodgers
- 1891 Boston Red Stockings
- 1892 Boston Red Stockings
- 1893 Boston Red Stockings
- 1894 Baltimore Orioles
- 1895 Baltimore Orioles
- 1896 Baltimore Orioles
- 1897 Boston Red Stockings
- 1898 Boston Red Stockings
- 1899 Brooklyn Dodgers
- 1900 Brooklyn Dodgers