James Hewitt (disambiguation)
James Hewitt may refer to:
- Major James Hewitt, British army officer, former lover of Diana, Princess of Wales
- James Hewitt, 1st Viscount Lifford
- James Hewitt, 4th Viscount Lifford
- James Hewitt (musician), 19th-century composer and conductor
- Jamie Hewitt (cricketer), English cricketer
- Jamie Hewitt (footballer)
- Jim Hewitt, Canadian politician
- James Hewitt, strings musician of āuā (Klingon opera)