Who were the totalitarianism leaders during world war ii and what countries were they from? this is for a project that i am doing in world i need to know what leaders used totalitarianism and what countries they were from. also, who was the leader of the soviet union during world i would apreciate answers fast.. so much

The totalitarian leaders of WWII were:

1) Adolf Hitler in Nazi Germany
2) Benito Mussolini in Italy
3) Joseph Stalin, The Soviet Union - this is also the answer to your second question: who the leader of the Soviet Union was.
4) Francisco Franco -Spain
5) Antonio Salazar  - Portugal

(Spain and Portugal were not really involved in the War though)