| Princess Nadezhda Petrovna | |
| Father: | Grand Duke Peter Nikolaevich of Russia |
| Mother: | Princess Milica of Montenegro |
| House: | Holstein-Gottorp-Romanov |
| Issue: | Princess Irina Nikolaïevna Orlova Princess Xenia Nikolaïevna Orlova |
| Birth Date: | 3 March 1898 |
| Birth Place: | Dulber, Russian Empire |
| Death Place: | Chantilly, France |
Princess Nadezhda Petrovna of Russia (Russian: Надежда Петровна; 3 March 1898 – 21 April 1988) was the third child of Grand Duke Peter Nikolaevich of Russia and his wife, the former Princess Milica of Montenegro.
Nadezhda was engaged before the outbreak of World War I to Prince Oleg Constantinovich of Russia, who was killed in action. She married Prince Nicholas Vladimirovich Orlov (1891–1961) in the Crimea in April 1917. They were among the Romanovs who escaped the Russian Revolution in 1919 aboard the British ship . Their baby daughter Princess Irina Orlova, born in March 1918, was the youngest passenger aboard the ship.[1]
The Orlovs had two daughters:
Princess Nadezhda divorced in 1940. She died in Chantilly, France in 1988. Her daughters left descendants.[2]