John O'Gaunt

John O'Gaunt may refer to:

• John of Gaunt, 1st Duke of Lancaster for the historical figure (1340–1399)
• John O'Gaunt (automobile) for the pre-1905 English automobile
• John O'Gaunt Community Technology College for the school in Hungerford, Berkshire, England
• John O'Gaunt, Leicestershire, a locality in England that gave its name to:
  • John O'Gaunt railway station
• John O'Gaunt Rowing Club for the rowing club in Lancaster, Lancashire, England