Surname Khaychuk (Khaychuk 
, Хайчук 
) , globally, is a very rare family name. The family name Khaychuk is characteristic of Russia, where it is a very rare surname, Ukraine, and Israel. In absolute terms, it most frequently occurs in Russia, Ukraine, and the United States. Very seldom, Khaychuk is the forename as well as the last name.
| vadim khaychuk researcher |
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