en.wiktionary.orgChien - Wiktionary, the free dictionary From Wiktionary, the free dictionary Chien (plural Chiens) A surname. According to the 2010 United States Census, Chien is the 8732nd most common surname in the United States, belonging to 3756 individuals. Chien is most common among Asian/Pacific Islander (91.99%) individuals. Chien ware chine, chiné, niche