Knyazev
Knjasew ( Russian Князев , feminine form Knjasewa , Russian Князева ) is a family name for the following people:
- Ivan Alexandrowitsch Knjasew (1893–1937), Soviet politician
- Kirill Leonidowitsch Knjasew (* 1983), Russian ice hockey player
- Olga Nikolajewna Knjasewa (1954–2015), Soviet fencer
- Valery Igorevich Knjasew (* 1992), Russian ice hockey player
- Viktor Knjasew (* 1925), Soviet pole vaulter
