Yanzi or Yan Zi () may refer to:
Persons with the name Yan Hui (521? – 481 BC), disciple of Confucius known honorifically as Yanzi (顏子) Yan Yan (disciple of Confucius) (506 – ? BC), known honorifically as Yanzi (言子) Yan Ying (c. 578 – 500 BC), known honorifically as Yanzi or the most denoted Master Yan (晏子) Stefanie Sun (孫燕姿 born 1978) or Sun Yan Zi, Singaporean singer Yan Zi (tennis) (晏紫) (born 1984), Chinese tennis player Pseudonym of Peng Yanhui, Chinese gay activist
Other uses Yanzi River (from 燕子 yànzi "swallow") Yanzi Mountain 甘肃崦嵫 Yanzi chunqiu, a Warring States period philosophical work Yan Zi (album), an album by Stefanie Sun Yanzi people, an ethnic group of Congo Yanzi language, a Bantu language
See also Yangzi (disambiguation)