Masahiro Hasemi (Shinjitai: 長谷見 昌弘, Hasemi Masahiro?, born Tokyo, 13 November 1945) is a former racing driver and team owner from Japan. He started racing motocross when he was 15 years old. In 1964 he signed to drive for Nissan. After establishing himself in saloon car and GT races in Japan, he participated in his only Formula One race at the 1976 Japanese Grand Prix for Kojima on 24 October 1976. He qualified 10th after an error which cost him his chance of a pole position and finished 11th, seven laps behind the winner. Notably, however, he also set the fastest lap of the race.
Hasemi became the Japanese Formula 2 champion in 1980, after that he reverted to racing Skylines, which he became heavily synonymous with in Group 5, touring cars and JGTC. He won the Japanese Touring Car Championship in 1989, 1991 and 1992. He also won the All Japan Sports Prototype Championship in 1990, with the controversial win at the Guia Touring Car race at the Macau Grand Prix in 1990 and Daytona 24 hour in 1992. Hasemi retired from driving in 2001 and now runs Hasemi Sport, a JGTC racing team and Nissan aftermarket parts company.
Hasemi is the most recent Japanese driver to win his home grand prix, winning it in 1975, when it was a non-Championship race.
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