Joseph Labadie (April 18, 1850–October 7, 1933) was a prominent labor organizer, writer, and social activist in the United States.

Labadie was involved in numerous labor organizations including the Knights of Labor, the Socialist Labor Party, and the American Federation of Labor.

Labadie died in Detroit on October 7, 1933, at the age of 83.

See also: list of anarchists