Sergei Lebedev
Sergei Lebedew is the name of the following people:
- Sergei Alexejewitsch Lebedew (1902–1974), Russian electrical engineer
- Sergei Nikolajewitsch Lebedew (* 1948), Executive Secretary of the Commonwealth of Independent States and the former head of the Russian foreign intelligence service
- Sergei Sergejewitsch Lebedew (* 1981), Russian journalist and author
- Sergei Wassiljewitsch Lebedew (1874–1934), Russian chemist