Knightley may refer to:
People Sir Charles Knightley, 2nd Baronet (1781–1864), English politician, father of Rainald Charles Knightley (born 1972), English cricketer John Knightley (disambiguation), multiple people John Knightley (MP), English politician Louisa Knightley (1842–1913), British Anglican and women's rights activist, wife of Rainald Lucy Knightley (1742–1791), English politician Keira Knightley (born 1985), English actress Philip Knightley, English politician Phillip Knightley (1929–2016), Australian journalist Rainald Knightley, 1st Baron Knightley (1819–1895), English politician Richard Knightley (1533–1615), English politician Steve Knightley (born 1954), English singer-songwriter and musician Thomas Knightley (1824–1905), English architect Valentine Knightley (disambiguation), multiple people Valentine Knightley (died 1618), English politician and landowner Will Knightley (born 1946), English actor, father of Keira William Knightley-Smith (1932–1962), English cricketer
Fictional characters George Knightley, the hero of Jane Austen's novel Emma
Places Knightley, Staffordshire, a hamlet in England.