Family name Valetsky (Valetsky 
, Валецкий 
) , across the world, is a rare cognomen. The last name Valetsky is habitual in Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Russia, the United States, and Kazakhstan.