>
Cognomen Víðir (Víðir ) , worldwide, is an extremely rare last name. Much more prevalently, Víðir is the forename as well as the last name.
Atlason, Jónsson, Björnsson, Reynisson, Jónasson, Einarsson, Ólafsson, Þorsteinsson, Sigvaldason, Pétursson, Guðmundsson, Björgvinsson, Ragnarsson, Sigurðarson, and Svanbjörnsson