Nikolai Sergeyev
Nikolai Sergejew is the name of the following people:
- Nikolai Alexandrowitsch Sergejew (1855-1919), Russian painter
- Nikolai Dmitrijewitsch Sergejew (1909–1999), Soviet naval admiral
- Nikolai Grigoryevich Sergejew (1876–1951), Russian dancer and choreographer
