Zemplén may refer to: Zemplén County, a historical region of the Kingdom of Hungary the part of the historical region in present-day Hungary, now part of the Borsod-Abaúj-Zemplén county Géza Zemplén, Hungarian chemist Győző Zemplén, Hungarian physicist
See also Borsod-Abaúj-Zemplén Zemplén Mountains (in Hungary) Zemplín (disambiguation)