Cognomen Zehan (Zehan 
, 泽涵 , 泽汉 ) , throughout the world, is quite a rare last name. The last name Zehan is habitual in Romania, where it is quite a rare surname, Indonesia, where it is a rare surname, and Singapore. In absolute terms, it is commonest in China, Indonesia, and Romania. More prevalently, Zehan is the forename as well as the last name.