Cognomen چاک (Chuck 
, چاک 
, چاك ) , across the world, is quite a rare last name. The family name چاک is habitual in Jamaica, where it is quite a common surname, Hong Kong, where it is quite a rare surname, and Trinidad and Tobago. Measured by absolute frequency, this name is the most popular in the United States, Jamaica, and China. More prevalently, چاک is the forename as well as the last name.