Josef Korčák (17 December 1921 – 5 October 2008) was a Czech politician who served as the Prime Minister of the Czech Socialist Republic from 1970 to 1987.

[1] He was the longest-serving Czech Prime Minister.

He became Prime Minister in 1970 when he replaced Josef Kempný.

He remained in this position until 1987, when Ladislav Adamec replaced hm.

This Czech Republic-related article is a stub.