Kōshirō Ishida
| Kōshirō Ishida | |
|---|---|
| 石田 幸四郎 | |
| Chairman of Komeito | |
| In office 21 May 1989 – 5 December 1994 | |
| 13th and 14th Secretary of the Management and Coordination Agency | |
| In office 9 August 1993 – 30 June 1994 | |
| Prime Minister | Morihiro Hosokawa Tsutomu Hata | 
| Member of the House of Representatives | |
| In office 30 January 1967 – 2 June 2000 | |
| Constituency | Aichi 6th district (1967–1993) Tōkai PR block | 
| Personal details | |
| Born | 22 August 1930 Sapporo, Hokkaido, Empire of Japan | 
| Died | 18 September 2006 (aged 76) Nagoya, Aichi, Japan | 
| Political party | Komeito | 
| Other political affiliations | New Komei (1994–1998) | 
| Alma mater | Meiji University | 
Kōshirō Ishida (Japanese: 石田 幸四郎, Ishida Kōshirō; 22 August 1930 – 18 September 2006) was a Japanese politician who served as the fifth chairman of Komeito from 1989 to 1994, and also served as the leader of the New Komei breakaway party for its brief history.