Leo Frederick Burt (born April 18, 1948) is an American man indicted in connection with the August 24, 1970 Sterling Hall bombing at the University of Wisconsin–Madison campus, a protest against the Vietnam War. The bombing killed physics researcher Robert Fassnacht and injured several others. Burt was reportedly involved in making and planting the bomb. He has been a fugitive from justice since 1970 and his status and whereabouts unknown.