Denny or Dennie may refer to:
People Denny (given name), a list of people named Denny or Dennie Denny (surname), a list of people surnamed Denny or Dennie Denny (hybrid hominin)
Places Denny, California, a ghost town Denny, Falkirk, a town in Scotland Denny Island, in the Severn Estuary, between England and Wales Denny Island (Canada), British Columbia Denny Triangle, Seattle, a neighborhood in the United States Denny Run, a stream in the U.S. state of Missouri 23257 Denny, an asteroid named after Bob Denny
Other uses Denny Abbey, a former abbey in Cambridgeshire, England Denny baronets, three baronetcies Denny Party, American pioneer group Denny's, a large restaurant chain Denny Field (Alabama), former home stadium for the University of Alabama football team Denny Field (Washington), former home grounds for the University of Washington football team William Denny and Brothers, often referred to as "Denny", Scottish shipbuilding firm in business from 1840 to 1963