Gennady (Russian: Генна́дий, IPA: ), also spelled Gennadi or Gennadiy, is a Russian name derived from the Greek Gennadios (Gennadius). The feminine form is Gennadiya. Gennady (Russian: Генна́дий, IPA: ), also spelled Gennadi or Gennadiy, is a Russian name derived from the Greek Gennadios (Gennadius). The feminine form is Gennadiya.