Jonkheer Jan Willem Janssens GCMWO was a Dutch military officer, colonial administrator and statesman who served both as the governor of the Dutch Cape Colony and governor-general of the Dutch East Indies.
- Occupation
- politician, military officer
- Position held
- Minister of Defence, governor
- Citizenship
- Dutch Republic
- Born
- October 12, 1762
- Died
- May 23, 1838