>
Surname Kocha (Kocha , Котя , Коча ) , throughout the world, is quite a rare last name. The family name Kocha is characteristic of Japan, where it is quite a rare surname, Ukraine, where it is a rare surname, and Georgia. Not in comparison with a country's population, the name is most common in Japan, India, and Russia. Likewise, Kocha is the forename as well as the last name.