库兹涅佐夫/库兹涅佐娃 是俄罗斯人的一个姓氏：男性为“库兹涅佐夫”（俄语：Кузнецов，拉丁转写：Kuznetsov 或 Kuznetsoff），女性为“库兹涅佐娃”（俄语：Кузнецова，拉丁转写：Kuznetsova）。是为第三大常见的俄罗斯人之姓氏。英文中，“Kuznetsov”、“Kuznetsoff”及“Kuznetsova”等同于“Smith”；

Kuznetsov, Kuznyetsov, Kuznetsoff, or Kouznetsov (masculine, Russian:Кузнецо́в) or Kuznetsova (feminine, Russian:Кузнецо́ва) is the third most common Russian surname, an equivalent of the English "Smith" (derived from a Russian word kuznets that means blacksmith).