Nikolay Orlov () may refer to:
- Nikolay Alexeyevich Orlov (1827âÂÂ1885), Russian diplomat
- Nikolai Orlov (painter) (1863âÂÂ1924), Russian painter
- Nicholas W. Orloff (1890sâÂÂ1961), Russian-American spy
- Nikolai Orlov (pianist) (1892âÂÂ1964), Russian pianist
- Nikolay Orlov (wrestler) (fl. 1900s), Russian wrestler
- Nicholas Orloff (dancer) (1914/15âÂÂ2001), Russian-American ballet dancer
- Nikolai Stepanovich Orlov (1871 â after 1917), Russian deputy of the Fourth Imperial Duma
- Nikolay Orlov (military writer), professor of military art, military writer and pioneer of aeronautics
- Nikolai Liutsianovich Orlov (1952âÂÂ2026), Russian herpetologist