Cognomen Tiwen (体文 
, Tiwen 
) , around the globe, is a rare family name. The family name Tiwen is characteristic of Indonesia, where it is a very rare surname, China, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in China, Indonesia, and Philippines. More prevalently, Tiwen is the forename as well as the last name.