Fiennes may refer to:
- a prominent English family, notably including:
- Bessie Fiennes, Baroness Clinton, better known as Bessie Blount, mistress of Henry VIII of England and mother of his son, Henry FitzRoy, 1st Duke of Richmond and Somerset
- James Fiennes, 1st Baron Saye and Sele
- William Fiennes, 1st Viscount Saye and Sele
- Nathaniel Fiennes (1608-1669), English politician
- Celia Fiennes, (1662-1741), English travel writer
- Geoffrey Twisleton-Wykeham-Fiennes, 18th Baron Saye and Sele
- Nathaniel Fiennes, 21st Baron Saye and Sele
- Joseph Fiennes (b. 1970), actor
- Mark Fiennes
- Martha Fiennes
- Sophie Fiennes
- Magnus Fiennes
- Ralph Fiennes (b. 1962), actor
- Ranulph Fiennes (b. 1944), adventurer
- Susannah Fiennes (b. 1961), artist
- William Fiennes (author), (b. 1970), writer
For further articles, see:
- Category:Fiennes family
Fiennes may also refer to:
- Fiennes, a commune of the Pas-de-Calais département in northern France