title: Jan III
text: # Jan III
  
  Jan III may refer to:
  
  * Jan III van Diest (died 1340)
  * Jan III of Oświęcim (1366–1405)
  * Jan III van Montfoort (c. 1448 – 1522)
  * John III, Lord of Bergen op Zoom (1452–1532)
  * John III Sobieski (1629–1696)
  
     * Jan III Sobieski High School in Kraków
  