Osman Mümtaz Soysal (15 September 1929 – 11 November 2019) was a Turkish professor, political scientist, politician, human rights activist, ex-prisoner of conscience, senior advisor, columnist and author.
Soysal was the 30th Minister of Foreign Affairs in 1994. He was a Member of Parliament at Constituent Assembly in 1961 and Grand National Assembly from 1991 to 1999.
He was elected to Amnesty International International Executive Committee in September 1974. He was the vice-chairman of Amnesty International from 1976 to 1978. He became the first winner of the UNESCO Prize for Human Rights Education in 1978.
Soysal died at the age of 90 on 11 November 2019 at his home in Beşiktaş, Istanbul, Turkey.