Anna "Big Annie" Klobuchar Clemenc (March 2, 1888 – July 27, 1956; pronounced "Clements") was an American labor activist. Born in Calumet, Michigan, she founded and served as president of the local Women's Auxiliary No. 15 of the Western Federation of Miners and was an active participant in the Copper Country Strike of 1913–1914. She is an inducted member of the Michigan Women's Hall of Fame.