Sergei Trubetskoy
Sergei Trubezkoi (Russian Сергей Трубецкой ) is the name of the following people:
- Sergei Evgenjewitsch Trubezkoi (1890–1949), Russian prince, philosopher and writer
- Sergei Nikititsch Trubetskoi (1829–1899), Russian major general, director of the Hermitage
- Sergei Nikolajewitsch Trubezkoi (1862–1905), Russian religious philosopher and author
- Sergei Petrovich Trubetskoi (1790-1860), Russian Decembrist
- Sergei Wassiljewitsch Trubezkoi (1815–1859), Russian prince and officer