Andrey, Andrej or Andrei (in Cyrillic script: Андрей , Андреј or Андрэй) is the Bulgarian, Russian, Romanian, Serbian, Slovak, Czech, Slovene, Croatian, Macedonian or Belarusian form of Andrew. Andrey, Andrej or Andrei (in Cyrillic script: Андрей , Андреј or Андрэй) is the Bulgarian, Russian, Romanian, Serbian, Slovak, Czech, Slovene, Croatian, Macedonian or Belarusian form of Andrew.