Jonas Vaidutis was a Lithuanian duke, priest, and academic rector from the Gediminid dynasty. Vaidutis was a son of duke Butautas and a grandson of the former Lithuanian monarch Kęstutis. He titled himself as the Duke of Drohiczyn.
- Occupation
- canon
- Position held
- rector
- Citizenship
- Grand Duchy of Lithuania, Kingdom of Poland
- Born
- 1365
- Died
- 1402
