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