Raoul de Gaucourt, also known as the Sieur de Gaucort or Sire de Gaucourt (c. 1370–1461) was a French soldier and statesman. He fought at the Battle of Nicopolis in 1396 and the Siege of Harfleur in 1415, and spent 10 years as a prisoner in England. He was described by Juliet Barker in 2005 as "a medieval chivalric hero whom the modern world has forgotten".