No. The Soviets defeated 80% of the Nazi forces, liberated the occupied territories, liberated the concentration camps, and marched into and straight through Berlin. The Americans, meanwhile, were working with the Vatican to save 10k Nazis by secreting them out of harms way through the rat lines, and integrating them all over the US sphere of influence in North and South America. East Germany went through a violent purge of all Nazis and people who supported them. West Germany elected former Nazi politicians to office immediately after the war. Nazis were in the GULAG system laboring under armed guard meanwhile in the US Von Braun was paid handsomely and given high office in the military R&D apparatus. And of course, then the USA formed NATO and staffed with senior Nazi officers claiming that only the Nazis knew how to best to fight the Soviets (despite the Soviets clearly demonstrating that they were able to completely destroy the Nazi threat).
So no, the people who fought the Nazis - the Soviets - we're not themselves Nazis.
But the Americans? Yes. They were holding Nazi rallies all over the country. They were hosting Nazi camps for children all over the country. The titans of big business from Ford to IBM to Chase were all constantly flying between the US and Berlin to work directly with Hitler and all of the Nazi party to develop their industry, particularly their military-industrial complex.