Family name Кетан (Ketan 
, Кетан 
) , in the world, is quite a rare cognomen. The surname Кетан is characteristic of Papua New Guinea, where it is quite a rare surname, New Zealand, where it is a rare surname, and Oman. In absolute terms, this name is the most popular in India, Ethiopia, and Indonesia. More frequently, Кетан is the forename as well as the last name.