Ivan Šubašić (7 May 1892 – 22 March 1955) was a Croat politician, best known as the last Ban of Croatia and Prime Minister of the royalist Yugoslav Government in exile during the Second World War.

In August 1939, Maček and Yugoslav Prime Minister Dragiša Cvetković reached the deal about the constitutional reconstruction of Yugoslavia and restoration of Croatian statehood in the form of Banovina of Croatia—an autonomous entity which, together with Croatia proper, included large sections of today's Bosnia and Herzegovina and some sections of today's Vojvodina, which contained an ethnic Croat majority.

As NDH atrocities became public knowledge, he actively spoke on behalf of the Croatian people, as Konstantin Fotić, then a Yugoslav ambassador to the US used his position to portray the entire nation as murderous fascists.

Gradually, the widening gap between the royalist government and Yugoslav major resistance movement embodied in Josip Broz Tito and his Communist-dominated Partisans forced Winston Churchill to mediate.

Šubašić, a non-Communist Croat and a voice of reason was appointed as the new prime minister[3] in order to reach a compromise between Tito—whose forces represented the de facto government on liberated territories—and the monarchy, which preferred Draža Mihailović and his Serb-dominated Chetniks.