Mandau is a river in central Europe.
Mandau may also refer to:
- Mandau River, a river northern Sumatra, Indonesia
- Mandau-class fast attack craft, a class of fast attack craft operated by the Indonesian Navy
- Mandau (knife), the traditional weapon of the Dayak people of Borneo
See also
edit- Mandaue, a highly-urbanized city in Cebu, Philippines