Cognomen Antonetc (Антонец 
, Antonetc) , around the world, is quite a rare last name. The last name Antonetc is characteristic of Russia, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Belarus. Measured by absolute frequency, this name is the most popular in Russia, Kazakhstan, and Ukraine. Much less frequently, Antonetc is the forename as well as the last name.