Cognomen Uchen (Uchen 
, อุเชน , อุเชนทร์ ) , globally, is a rare last name. The last name Uchen is habitual in Ukraine, where it is a rare surname, Indonesia, where it is a very rare surname, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Ukraine, Indonesia, and China. Likewise, Uchen is the forename as well as the last name.