Yes, there was a famine in the 1930s. It was largely due to adverse weather conditions, coupled with the bourgeois farmers called "kulaks" killing their livestock and burning their crops to resist the Red Army collectivizing agriculture. However, to paint those who died as "victims of communism" when the communists were the ones that finally ended famine in a region where famine was historically common and regular is hardly genuine.
The term "Holodomor," the right-wing theory describing a man-made and intentional famine, was created by Ukrainian nationalists in the 80s. It was named as such to draw direct connection to the Holocaust, and as such is a form of Holocaust trivialization. Archival evidence proves that there was no such intentional famine, but it is used politically to demonize socialism in the real world, wielded like a club.