Prince Igor Constantinovich of Russia
| Prince Igor Constantinovich | |
|---|---|
| Born | 10 June 1894 Saint Petersburg, Russian Empire |
| Died | 18 July 1918 (aged 24) Alapayevsk, Russian SFSR |
| House | Holstein-Gottorp-Romanov |
| Father | Grand Duke Constantine Constantinovich of Russia |
| Mother | Princess Elisabeth of Saxe-Altenburg |
Prince Igor Constantinovich of Russia (Игорь Константинович; 10 June 1894 – 18 July 1918) was the sixth child of Grand Duke Constantine Constantinovich of Russia by his wife Elisaveta Mavrikievna née Princess Elisabeth of Saxe-Altenburg.