Jonas Kęsgaila or Kęsgailaitis was a Lithuanian nobleman, son of Mykolas Kęsgaila of the Kęsgaila family He fathered two sons and two daughters.
- Position held
- Castellan of Vilnius, Elder of Samogitia, kasztelan trocki
- Citizenship
- Grand Duchy of Lithuania
- Born
- 1415
- Died
- 1485, 1486
