Sun (/sʊn/) is a transliteration of a common Chinese surname (simplified Chinese: 孙; traditional Chinese: 孫; pinyin: Sūn; pronounced [swə́n]). It is the third name listed in the Song dynasty classic text Hundred Family Surnames.
Other transliterations include Suen (Hong Kong and regions with Cantonese-speaking populations), Soon (Amoy dialect), Sng and Soon (Teochew dialect), Tôn (Vietnamese), Son (Japanese/Korean), Soon (regions with Hokkien-speaking populations), Sen/Suan/-son/-zon (Chinese Filipino in the Philippines), and Swen.