Oskar Fischer (19 March 1923 – 2 April 2020) was an East German politician. He was Minister of Foreign Affairs of the German Democratic Republic from 1975 to 1990. Fischer was the first member of the East German cabinet to visit Pope John Paul II at the Vatican in 1978. He was born in Aš, Czechoslovakia.
Fischer died on 2 April 2020 in Berlin, aged 97.