Cognomen Saehan (Saehan 
, แซ่หั่น, แซ่ฮั้น) , all over the world, is a rare family name. The cognomen Saehan is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Indonesia, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, the name is most common in Thailand, China, and Indonesia. Likewise, Saehan is the forename as well as the last name.