Thomas FitzAlan, 12th Earl of Arundel, English politician, Lord High Treasurer of England (d. 1415)

Thomas Fitzalan, 5th Earl of Arundel, 10th Earl of Surrey KG (13 October 1381 – 13 October 1415) was an English nobleman, one of the principals of the deposition of Richard II, and a major figure during the reign of Henry IV.