John de Vere, 13th Earl of Oxford, English commander and politician, Lord Great Chamberlain of England (died 1513)

John de Vere, 13th Earl of Oxford,, the second son of John de Vere, 12th Earl of Oxford, and Elizabeth Howard, a first cousin of John Howard, 1st Duke of Norfolk, was one of the principal Lancastrian commanders during the English Wars of the Roses.

The Lord Great Chamberlain of England is the sixth of the Great Officers of State, ranking beneath the Lord Privy Seal but above the Lord High Constable. The office of Lord Great Chamberlain is an ancient one: it was first created around 1126 and has been in continuous existence since 1138. The incumbent is Rupert Carington, 7th Baron Carrington.