Slingsby is a surname. Notable people with the surname include: Francis Slingsby (1569–1651), Anglo-Irish soldier of the late sixteenth century Fred Slingsby (1894–1973), English founder of Slingsby Sailplanes Ltd Guildford Slingsby (1610–1643), Irish politician Guylford Slingsby (1565–1631), administrator who went on to be Comptroller of the Navy Henry Slingsby (disambiguation), several people John Francis Waller (1810–1894), writer publishing magazine articles under the pseudonym of Jonathan Freke Slingsby John Slingsby (1788–1826), English amateur cricketer Mary Slingsby (fl. 1670–1685), English actress Slingsby Bethel (1617–1697), Member of Parliament with republican sympathies, during the period of the English Civil War Tom Slingsby (born 1984), Australian sailor William Cecil Slingsby (1849–1929), English mountain climber and alpine explorer