Toranosuke Katayama

was a Japanese politician who held multiple different cabinet posts. He was a former member of the Liberal Democratic Party (LDP), and was co-president of Nippon Ishin no Kai (Japanese: Japan Restoration Party; JPR) alongside Ichirō Matsui from 2016 to 2021.

Early life and education Katayama was born in Okayama Prefecture on 2 August 1935. He graduated from the University of Tokyo's faculty of law in March 1958. and then of the Tsushima faction at the beginning of the 2002.

After holding different roles in the House, he was appointed minister of posts and telecommunications, minister of home affairs, and also, director-general of the management and coordination agency in December 2000. He retained his post in the cabinet reshuffle on 8 December 2002. Later he became secretary general of the LDP in the upper house in July 2004. Until 2007, Katayama was the number two or deputy leader of the party's upper house group and also, the leader of its campaign strategy. Katayama lost his seat in the upper house in the 2007 election. As a result, he joined the now-defunct Tachiagare Nippon. He was reelected to the upper house for the fifth term in July 2010 for the Tachiagare Nippon. He was also the secretary-general of the House of Councillors of the party.

Death Katayama died on 18 December 2025, at the age of 90.