Surname Chash (Chash 
, Чаш 
) , across the world, is a rare cognomen. The cognomen Chash is habitual in Israel, where it is a rare surname, Myanmar, where it is a very rare surname, and Russia. Not in comparison with a country's population, this name is the most popular in Israel, India, and Myanmar. Likewise, Chash is the forename as well as the last name.