DTU may refer to:
Organisations
- Technical University of Denmark (), so named 1994
- German Taekwondo Union (), founded 1981
- German Dance and Entertainment Orchestra (), formed 1942
- Delhi Technological University, India; so named 2009
- Dominica Trade Union, founded 1945
- Duy Tan University, Vietnam; founded 1994
Transport
- Wudalianchi Dedu Airport, Northeast China; opened 2017 (IATA:<code>DTU</code>)