Weixin

Weixin may refer to:


 * Weixin County (威信县), in Yunnan Province, China
 * WeChat, called Weixin (微信) in Chinese, a mobile phone messaging service by Tencent
 * Weixin, Shimen (维新镇), a town in Shimen County, Hunan Province, China
 * Wang Weixin (王偉新), Chinese fencer