Knyazev
Knyazev (Russian: Князев) is a Russian masculine surname, its feminine counterpart is Knyazeva. It may refer to
- Andrei Knyazev (footballer) (born 1974), Russian football player
 - Andrei Knyazev (mathematician) (born 1959), Russian-American mathematician
 - Andrei Knyazev (musician) (born 1973), Russian rock musician and songwriter
 - Artem Knyazev (born 1980), Uzbekistani figure skater
 - Boris Knyazev (1900–1975), Russian ballet dancer and choreographer
 - Hanna Knyazeva (born 1989), Ukrainian triple jumper and long jumper
 - Helena Knyazeva (born 1959), Russian philosopher
 - Igor Knyazev (born 1983), Russian ice hockey defenceman
 - Ivan Knyazev (born 1992), Russian football defender
 - Kirill Knyazev (born 1983), Russian ice hockey player
 - Olga Knyazeva (1954–2015), Soviet fencer
 - Serhiy Knyazev (born 1971), Chief of Ukrainian National Police
 - Svetlana Knyazeva (born 1970), Russian equestrian
 - Valery Knyazev (born 1992), Russian ice hockey player
 - Vyacheslav Knyazev (born 1974), Tajikistani football player