The Denisov family and the Orlov-Denisov family were families of Russian nobles.
Denisov (masculine) or Denisova (feminine) is a Russian last name, shared by the following people:
Viktor Deni (1893–1946), born Viktor Denisov, Soviet satirist
Aleksandr Denisov (b. 1989), Russian footballer
Andrei Denisov (weightlifter) (b. 1963), Israeli Olympic weightlifter
Andrey Denisov (b. 1952), Russian politician
Denis Denisov (b. 1981), Russian ice hockey player
Edison Denisov (1929–1996), Soviet composer
Elena Denisova (b. 1963), Austrian violinist
Fedor Denisov, Imperial Russian general, suppressor of the Kościuszko Uprising
Gennadi Denisov (b. 1960), Uzbekistan footballer, father of Vitaliy
Igor Denisov (b. 1984), Russian footballer
Kirill Denisov (b. 1988), Russian judoka
Lyubov Denisova (b. 1971), Russian marathoner
Lyudmyla Denisova (b. 1960), Ukrainian politician
Nikita Denisov (b. 1986), Russian footballer
Nikolai Denisov (1891–1959), Russian footballer
Roman Denisov (b. 1986), Russian footballer
Sergei Denisov (hockey player)
Sergei Denisov (aviator)
Vasily Orlov-Denisov (1775–1843), Cossack Russian general
Viktor Denisov (b. 1966), Russian canoer
Vitaliy Denisov (b. 1987), Uzbekistan footballer, son of Gennadi
Vitaly Denisov (b. 1976), Russian cross country skier
Vladimir Denisov (ice hockey) (b. 1984), Belarusian ice hockey player
Vladimir Denisov (fencer) (b. 1947), Russian Olympic fencer
Vyacheslav Denisov (b. 1983), Uzbekistan basketball player