| Prince Igor Constantinovich | |
| House: | Holstein-Gottorp-Romanov |
| Father: | Grand Duke Constantine Constantinovich of Russia |
| Mother: | Princess Elisabeth of Saxe-Altenburg |
| Birth Date: | 10 June 1894 |
| Birth Place: | Saint Petersburg, Russian Empire |
| Death Place: | Alapayevsk, Russian SFSR |
Prince Igor Constantinovich of Russia (Игорь Константинович; 10 June 1894 – 18 July 1918)[1] was the sixth child of Grand Duke Constantine Constantinovich of Russia by his wife Elisaveta Mavrikievna née Princess Elisabeth of Saxe-Altenburg.
Igor was born on June 10, 1894, and attended the Corps des Pages, an imperial military academy in Saint Petersburg. He enjoyed theatre.
During World War I, he was a cornet in the His Majesty's Hussar Guards Regiment. His health was quite fragile: he had pleurisy and lung complications in 1915, and even if he returned to the trenches, he couldn't walk quickly and often coughed and spat blood.
On 4 April 1918, he was exiled to the Urals by the Bolsheviks and murdered in July the same year in a mineshaft[2] near the town of Alapaevsk, along with his brothers Prince John Constantinovich and Prince Constantine Constantinovich, his cousin Prince Vladimir Pavlovich Paley and other relatives and friends.[3] His body was eventually buried in the Russian Orthodox Church cemetery in Beijing,[4] which was destroyed in 1986 and is now a parking lot.
See also: Martyrs of Alapayevsk.