Sergey may refer to:
*
Sergey (name)
Sergius is a male given name of Ancient Rome, Ancient Roman origin after the name of the Latins, Latin ''gens'' Gens Sergia, Sergia or Sergii of Roman Kingdom, regal and Roman Republic, republican ages. It is a common Christian name, in honour of ...
, a Russian given name (including a list of people with the name)
* Sergey, Switzerland, a municipality in Switzerland
* Sergey (wasp), ''Sergey'' (wasp), a genus in subfamily Doryctinae
{{Disambiguation