Family name Halldor (Halldór , Halldor , Халлдор) , globally, is a very rare surname. The last name Halldor is habitual in Iceland, where it is quite a rare surname, Spain, where it is an extremely rare surname, and Mexico. Predominantly, Halldor is the forename as well as the last name.
Eide, Baldursson, Bjarnason, Rossebø, Gudjonsson, Gislason, Juliusson, Olafsson, Magnusson, Sigurdson, Stefansson, Kjartansson, Halldorsson, Hafsteinsson, Hilmarsson, Hjalmarson, Sigurdsson, Kristinsson, Kristjansson, Ragnarsson, Gunnarsson, Haraldsson, Arnarsson, Gudmundsson, Andersen, Sveinsson, Meyer, Sanne, Krogh, Enard, Svansson, Kvaran, Gylfason, Laxdal, Finnsson, Fosså, Skulason, Arnason, Arnarson, Palsson, Laxness, Leifsson, Jonsson, Thormar, Tjoflaat, Hrafnsson, Hjaltason, Svavarsson, and Thorsteinsson