John Fitzalan or John FitzAlan may refer to:
- John Fitzalan, Lord of Oswestry (1200–1240)
- John FitzAlan, 6th Earl of Arundel (1223–1267), Lord of Oswestry and Clun, Breton-English nobleman
- John FitzAlan, 7th Earl of Arundel (1246–1272), English nobleman
- John FitzAlan, 1st Baron Arundel (c. 1348–1379), Marshal of England
- John FitzAlan, 2nd Baron Arundel (1364–1390)
- John FitzAlan, 13th Earl of Arundel (1385–1421), English nobleman
- John FitzAlan, 14th Earl of Arundel (1408–1435), English nobleman and military commander during the Hundred Years' War