Nechayev or Nechaev (Russian: Нечаев) is a Russian masculine surname, its feminine counterpart is Nechayeva or Nechaeva. It may refer to:

• Aleksandr Nechayev (disambiguation), several people
• Andrey Nechaev (born 1953), Russian politician, scientist and economist
• Anna Nechaeva, Russian soprano singer
• Konstantin Petrovich Nechaev (died 1946), Russian anti-communist general and mercenary
• Leonid Nechayev (1939–2010), Russian children's film director
• Oleg Nechayev (born 1971), Russian football coach and a former player
• Pyotr Nechayev (1842–1905), Russian religious writer and lecturer
• Sergey Nechayev (1847–1882), Russian revolutionary
• Stepan Nechayev (1792–1860), Russian historian
• Victor Nechayev (born 1955), Russian ice hockey player
• Viktor Nechaev (born 1972), Russian rugby league player
• Vladimir Nechaev (1908–1969), Soviet singer
• Yaroslava Nechaeva, Russian ice dancer
• Yelena Nechayeva (born 1979), Russian fencer
• Yury Nechaev-Maltsov (1834–1913), Russian glassware manufacturer, landlord and patron of art

• Nechayev Sad, a village in southeastern Kazakhstan

This page lists people with the surname Nechayev.
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.