Last name Waichan (Waichan 
) , globally, is a very rare cognomen. The last name Waichan is characteristic of South-eastern Asia, particularly Singapore, where it is a rare surname, Myanmar, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in South-eastern Asia, particularly Myanmar, Singapore, and Thailand. Also, Waichan is the forename as well as the last name.