HSU
- California State Polytechnic University, Humboldt
- China
- Croatian Party of Pensioners
- Hakim Sabzevari University
- Hang Seng University of Hong Kong
- Hansung University
- Hardin–Simmons University
- Health Sciences University (United Kingdom)
- Health Services Union
- Helmut Schmidt University
- Henderson State University
- High Security Unit
- Hong Kong
- Penn State Harrisburg
- Wade-Giles
- Xu (disambiguation)
- Xu (surname 徐)
- Xu (surname 胥)
- Xu (surname 許)