Cognomen Nikulcha (Никульча 
, Никулча , Nikulcha 
) , across the world, is a rare family name. The last name Nikulcha is habitual in Moldova, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Kyrgyzstan. Not in comparison with a country's population, this name is the most popular in Russia, Kazakhstan, and Moldova. Much less frequently, Nikulcha is the forename as well as the last name.