All over the world, Chih-Yuan (Chih-Yuan 
) is a rare masculine first name. The forename Chih-Yuan is habitual in Taiwan, where it is a rare masculine name, and the United States, where it is an extremely rare boy's name. More frequently, Chih-Yuan is the last name as well as the forename. Parts of the name also exists independently as a last name Chih, and a last name Yuan.