Family name 志偉 (Zhiwei 
, 志偉 , Chi-Wai 
) , in the world, is quite a rare surname. The surname 志偉 is characteristic of Singapore, where it is quite a rare surname, Taiwan, and Malaysia, where it is a rare surname. In absolute terms, it is the most numerous in China, Taiwan, and Singapore. Much more prevalently, 志偉 is the forename as well as the last name.