Yerofeyev (masculine) or Yerofyeva (feminine), also transliterated as Erofeev or Erofeyev, is a Russian surname. It means "(someone) related to Yerofey", Yerofey (wikt:ru:Ерофей) being a form of the archaic Christian masculine first name Ierofey (Иерофей - from Greek Hierotheos (Ἱερόθεος)).
Notable people with the surname include:
References
Yerofeyev Wikipedia(Text) CC BY-SA