Surname कारण (Karena 
, Kerana 
, कारण) , in the world, is quite a rare cognomen. The cognomen कारण is characteristic of New Zealand, where it is quite a common surname, Oman, where it is a rare surname, and Australia. Measured by absolute frequency, this name is the most popular in New Zealand, India, and Indonesia. More prevalently, कारण is the forename as well as the last name.