Cognomen Bonkin (Bonkin 
, Бонкин 
, Бонькин 
) , worldwide, is a rare last name. The cognomen Bonkin is characteristic of Eastern Europe, particularly Bulgaria, where it is quite a rare surname, Russia, where it is a rare surname, and Belarus, where it is a very rare surname. Very seldom, Bonkin is the forename as well as the last name.