Last name Tachak (Tachak 
, Ташак 
) , across the world, is a rare family name. The surname Tachak is characteristic of Ukraine, where it is a rare surname, Colombia, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, this name is the most popular in Ukraine, India, and Russia. Likewise, Tachak is the forename as well as the last name.