Gengxin may refer to:
Gengxing (更興), a Chinese era name (530–532 CE) Gengxin Township (更新乡), Tian'e County, Hechi, Guangxi Zhuang Autonomous Region, China Gengxin Township (更新乡), Fuyu County, Songyuan, Jilin province, China Lin Gengxin (born 1988), a Chinese actor Thomas Tien Ken-sin (1890–1967), a Chinese Cardinal of the Catholic Church