Jun Hayashi

is a former Japanese politician of the Liberal Democratic Party (LDP), who served as a member of the House of Representatives in the Diet (national legislature). A native of Kamakura, Kanagawa and graduate of Keio University, he worked at the national newspaper Mainichi Shimbun from 1995 to 2001. In 2005 he was elected to the House of Representatives for the first time, after running unsuccessfully in 2003.