James Manahan (March 12, 1866 - January 8, 1932) was a U.S. Representative from Minnesota.Manahan was born near Chatfield in Fillmore County, Minnesota, and graduated from the Normal School of Winona, Minnesota in 1886. For two years, he worked as a school teacher in Graceville. He later attended law school at the University of Wisconsin at Madison, and eventually earned his law degree from the University of Minnesota at Minneapolis in 1889.