Hiroyoshi Sasakawa (born 29 August 1966) is a Japanese politician and businessman. He is the member of the House of Representatives for Gunma 3rd district belonging to the Liberal Democratic Party.

In the 2026 Japanese general election, Sasakawa was reelected for his sixth term by a large margin (96,283 votes against his opponent's 60,204). This represented an improvement from his performance in the 2024 election when he won reelection to his fifth term by only 214 votes.