Dunning is a surname. Notable people with the surname include:
Brian Dunning (author) (born 1965), host of Skeptoid podcast
Charles Avery Dunning, Canadian politician
Charles Dunning (rugby) (died 1955), rugby league player
Chester Dunning, Texas historian and specialist in Russian studies
Darren Dunning, English footballer
David Dunning, American social psychologist
Debbe Dunning, American actress
Edwin Harris Dunning, British pilot, first to land an aircraft on a ship
Eric Dunning, sociologist
George Dunning, British animator
Henry Dunning Macleod (1821–1902), Scottish economist
Henry Dunning Moore (1817–1887), American politician
Jack Dunning, New Zealand cricketer
John Dunning (disambiguation), several people including
John Dunning, 1st Baron Ashburton, English politician of the eighteenth century
John Dunning (film editor), American Academy Award-winning film editor
John H. Dunning, British economist (June 26, 1927 - January 29, 2009)
John R. Dunning, American physicist
Matt Dunning (born 1978), Canadian rugby player who plays for Australia
Nick Dunning (born 1959), English actor
Paris C. Dunning, governor of Indiana
Philo Dunning, American politician
Steve Dunning, a former American baseball player
Thomas Dunning (1799–1873), English trade unionist
William Archibald Dunning (1857-1922), historian for whom the Dunning School of Reconstruction historiography is named
