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

This page lists people with the surname Knyazev.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.