Back · umk · interjection - The sound of a hesitant okay. Looking for the definition of UMK? Find out what is the full meaning of UMK on Abbreviations. What is UMK ? There may be more than one meaning of UMK , so check it out all meanings of UMK one by one. The Universiti Malaysia Kelantan (UMK; English: University of Malaysia, Kelantan) is a public university in Kelantan, Malaysia.