Onslow (surname)

Onslow is a surname. Notable people with the surname include:


 * Alexander Onslow (1842–1908), third Chief Justice of the Supreme Court of Western Australia
 * Arthur Onslow (disambiguation)
 * Cranley Onslow (1926–2001), British politician
 * Denzil Onslow (disambiguation)
 * Edward Onslow (1758–1829), British nobleman, Member of Parliament and fellow of the Royal Society
 * George Onslow (disambiguation)
 * Guildford Onslow (1814–1882), English politician
 * Hannah Onslow (born 1998), English actress
 * Jack Onslow (1888–1960), American Major League Baseball player, manager, coach and scout
 * Muriel Wheldale Onslow (1880–1932), British biochemist
 * Richard Onslow (disambiguation)
 * Thomas Onslow (disambiguation)
 * William Onslow, 4th Earl of Onslow (1853–1911)
 * William Onslow, 6th Earl of Onslow (1913–1971)