Family name Katalynas (Katalynas 
) , worldwide, is a very rare cognomen. The last name Katalynas is characteristic of Lithuania, where it is a rare surname, Brazil, where it is an extremely rare surname, and the United Kingdom. Not in comparison with a country's population, the name is most common in Lithuania, Brazil, and the United States. Likewise, Katalynas is the forename as well as the last name.