List of prime ministers of Czechoslovakia

Prime Minister of Czechoslovakia
Czech: Předseda vlády Československa Slovak: Predseda vlády Česko-Slovenska
Coat of arms
Longest serving Lubomír Štrougal 28 January 1970 – 12 October 1988
Appointer	The President
Formation	14 November 1918; 106 years ago (1918-11-14)
First holder	Karel Kramář
Final holder	Jan Stráský
Abolished	31 December 1992; 31 years ago (1992-12-31)
Superseded by	Prime Minister of the Czech Republic Prime Minister of Slovakia

The prime minister of Czechoslovakia (Czech: předseda vlády Československa, Slovak: predseda vlády Česko-Slovenska) was the head of government of Czechoslovakia, from the creation of the First Czechoslovak Republic in 1918 until the dissolution of the Czech and Slovak Federative Republic on 1 January 1993.

During periods when the post of the president of Czechoslovakia was vacant, the prime minister took on most presidential duties. However, the Czechoslovak constitutions do not define anything like a post of acting president.