| Grand Duke Vyacheslav Konstantinovich | |
|---|---|
 | |
| Born | 13 July 1862 Warsaw, Warsaw Governorate, Congress Poland |
| Died | 27 February 1879 (aged 16) Saint Petersburg, Russian Empire |
| Burial | |
| House | House of Holstein-Gottorp-Romanov |
| Father | Grand Duke Konstantin Nikolayevich of Russia |
| Mother | Princess Alexandra of Saxe-Altenburg |
Grand Duke Vyacheslav Konstantinovich of Russia, (13 July 1862 – 27 February 1879), was a Romanov grand duke and the youngest son of Grand Duke Konstantin Nikolayevich of Russia and his wife Princess Alexandra of Saxe-Altenburg. The English form of his first name is Wenceslas.