Last name Хайчук (Khaychuk 
, Хайчук 
, Haichuk ) , around the world, is a very rare cognomen. The family name Хайчук is characteristic of Russia, where it is a very rare surname, Ukraine, and Israel. Measured by absolute frequency, this name is the most popular in Russia, Ukraine, and the United States. Very seldom, Хайчук is the forename as well as the last name.