Tongji may refer to:
Places in China
Shanghai
Tongji University (), a university in Shanghai Tongji University station (), a metro in Shanghai
Zhejiang
Tongji Bridge (Jinhua) (), a large stone arch bridge in Jinhua, Zhejiang Tongji Bridge (Yuyao) (), a stone arch bridge in Yuyao, Zhejiang
Other regions Tongji Bridge (Yi County) (), a historic stone arch bridge over the Zhang River in Biyang, Yi County, Anhui Tongji Canal, a component of the Grand Canal Tongji County (), former name of Shifang, Sichuan Tongji Lu Station (), a metro station in Foshan, Guangdong Tongji Medical College (), in Wuhan, Hubei
Other Tongji (spirit medium) (), a form of Chinese shaman or oracle