- Oct 13 Thomas FitzAlan, 12th Earl of Arundel, English military leader (b. 1381)
- Oct 25 Anton van Bourgondie, French son of Philip the Stout, dies at 31
- Oct 25 Eduard, duke of York, dies at 45
- Oct 25 Philip of Nevers, French earl, dies at the Battle of Agincourt
- Oct 25 Robert of Bar, French knight, dies at the Battle of Agincourt