Sveta Nedelja and Sveta Nedjelja () may refer to:

Sveta Nedelja, Istria, a municipality in Croatia Sveta Nedelja, Zagreb County, a town in Croatia (also named Sveta Nedjelja before 1991) Sveta Nedjelja, Hvar (or Sveta Nedilja), a village in Dalmatia, Croatia

See also Sveta Neđelja, an island in Montenegro Holy Sunday