Cognomen Khachykyan (Хачикян 
, Khachykyan 
, Хачикиан ) , throughout the world, is quite a rare last name. The family name Khachykyan is habitual in Eastern Europe, particularly Russia, where it is quite a rare surname, Belarus, where it is a rare surname, and Bulgaria. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Russia, Ukraine, and Belarus.