Last name Дженкс (Jenks 
, Janx 
, Jencks 
) , in all the world, is quite a common surname. The surname Дженкс is characteristic of the United States, where it is quite a rare surname, the United Kingdom, and New Zealand. In absolute terms, it is commonest in the United States, the United Kingdom, and Canada. Much less frequently, Дженкс is the forename as well as the last name.