| Hiroshi Nakai | |
| Office: | Member of the House of Representatives |
| Native Name Lang: | ja |
| Term Start: | 5 December 1976 |
| Term End: | April 22, 2017 |
| Office2: | Chairman of the National Public Safety Commission |
| Term Start2: | September 16, 2009 |
| Term End2: | June 8, 2010 |
| Office3: | Minister of State for the Abduction Issue |
| Term Start3: | September 16, 2009 |
| Term End3: | June 8, 2010 |
| Birth Date: | 10 June 1942 |
| Death Date: | 22 April 2017 |
| Party: | Democratic Party for Japan |
was a Japanese politician serving in the House of Representatives in the Diet (national legislature) as a member of the Democratic Party of Japan. He was born in Jilin, China on 10 June 1942, then part of Manchukuo. A graduate of Keio University he was elected for the first time in 1976 after an unsuccessful run in 1972.
Nakai died on 22 April 2017 from stomach cancer at the age of 74.[1]