István Nagy (born 28 April 1959 in Heves) is a retired 100 and 200 metres runner from Hungary.
He competed at the 1980 Moscow Games in the 100/200 metres but did not make it past the Quarter finals in either sprint.
In 1981 he won a silver medal at the World Students 200 metres final.
He competed at the 1982 European championships in the 200 metres, where he finished 5th in the final.
This biographical article relating to Hungarian athletics is a stub.