Tunca () may refer to:
Tunca (river), or Tundzha, a river in Bulgaria and Turkey Tunca, Ardeşen, a town in the districts of Ardeşen, Rize Province, Turkey , a neighbourhood in Şehzadeler, Manisa Province, Turkey
People Birand Tunca, Turkish actor Tuna Tunca (born 2003), Turkish autistic long-distance swimmer
See also Tunca Bridge, a bridge in Edirne, Turkey Tunka (disambiguation) Tunja (disambiguation)