Hiroyuki Sonoda (園田 博之, Sonoda Hiroyuki; 19 February 1942 – 11 November 2018) was a Japanese politician who served in the Diet (national legislature) as a member of the House of Representatives for Kumamoto 4th district; following the 2017 general election when Kumamoto lost one seat due to reapportionment, he moved to the Kyūshū proportional representation block. He was a member of the Liberal Democratic Party (LDP), previous party affiliations have been independent→LDP→New Party Sakigake→Independent→LDP→Sunrise Party of Japan→Sunrise Party→Japan Restoration Party→Party for Future Generations→Sunrise Party→Party for Future Generations→LDP.
Source: “Hiroyuki Sonoda”, English Wikipedia (CC BY-SA 4.0), excerpt