Denning can refer to:
Places Denning (lunar crater), a crater located on the far side of the Moon Denning (Martian crater), a crater on Mars Denning (Munich), a district of Munich, Germany Denning, New York, a town in Ulster County, New York, US Denning, Arkansas, a town in Franklin County, Arkansas, US Denning Township, Franklin County, Illinois, US
People Blaine Denning (1930–2016), American basketball player Chris Denning (1941–2022), British disc jockey Dorothy E. Denning (born 1945), American information security researcher Rev. James Denning (1814–1875), Anglican clergyman Margaret B. Denning (1856–1935), American missionary and temperance worker Norman Denning (1904–1979), British officer of the Royal Navy and brother of Reginald and Tom Denning Peter J. Denning (born 1942), American computer scientist Sir Reginald Denning (1894–1990), British army officer Richard Denning (1914–1998), American actor Richard J Denning (born 1967), British author Robert Denning (1927–2005), American socialite and interior designer Scott Denning, American atmospheric scientist Sheila Mary Denning (1920–2015), British artist Tom Denning, Baron Denning (1899–1999), British lawyer and judge Troy Denning (born 1958), American writer William A. Denning (1817–1856) American jurist and politician William Frederick Denning (1848–1931), British amateur astronomer
Other Denning, a form of hibernation Denning Manufacturing, Australian bus manufacturer
See also Dening (disambiguation) Dunning (disambiguation)