Dally may refer to:
Surname: Ann Dally (1929–2007), English author and psychiatrist Bill Dally, the Willard R. and Inez Kerr Bell Professor in the Stanford University School of Engineering Clarence Madison Dally (1865–1904), American glassblower, assistant to Thomas Edison Craig Dally, Republican member of the Pennsylvania House of Representatives for the 138th District Frederick Dally (1838–1914), English Canadian photographer Hans Dally (1916–1997), highly decorated Hauptmann in the Luftwaffe during World War II Jean-Philippe Dally (born 1996), French–Ivorian basketballer Marcelin Dally (born 1962), retired Côte d'Ivoire hurdler Rashawn Dally (born 1997), Jamaican footballer William Dally (1908–1996), American rower who competed in the 1928 Summer Olympics
Given name: Dally Duncan (1909–1990), Aberdeen-born football player and manager Dally Messenger (1883–1959), Australian rugby union and rugby league footballer Dally O'Brien (1918–1996), Australian rules footballer Dally Randriantefy (born 1977), former professional female tennis player
Places: Dally Castle, ruined 13th century stone motte and bailey fortress in Northumberland, England
Biochemistry: Dally (gene), a gene that encodes an HS-modified proteoglycan in "Drosophila melanogaster"
Other: Dilly Dally, Canadian alternative rock band Dally M Awards, the official annual player awards for the National Rugby League competition Dally or Dallie is a generally neutral slang term for a Croatian New Zealander Dallie, a parasite kaiju from the Japanese television series Ultraseven
See also Dally in the Alley, Detroit's largest annual community festival Don't Dilly Dally on the Way, music hall song