Olshansky or Olshanski are East Slavic toponymic surnames associated with the places Olshana, Olshanka, Olshany, Halshany.
The Belrusian-language rendering of the surname are Halshansky, Alshansky, Polish: Olszański, Holszański, Lithuanian: Olšanski, Alšėniškis.
In Latin-language sources, names of the house include: Domus Olszansciorum, sometimes with subdivisions like Domus Olszansciorum Hippocentaurus or D. O.
[1] Feminine variants: Olshanska, Olshanskaya, Hoshanska, Halshanskaya.
Notable people with the surname include: