Cognomen Mutsko (Mutsko 
, Муцко 
) , in the world, is a rare last name. The family name Mutsko is habitual in Ukraine, where it is a rare surname, Greece, where it is a very rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Ukraine, Russia, and the United States. Much less frequently, Mutsko is the forename as well as the last name.