Surname Aðalbjörg (Aðalbjörg 
) , all around the world, is an extremely rare last name. Much more frequently, Aðalbjörg is the forename as well as the last name.
Rún, Sturlaugsdóttir, Ásgeirsdóttir, Halldórsdóttir, Guðmundsdóttir, Þorkelsdóttir, Þórðardóttir, Ólafsdóttir, Jónasdóttir, Kristjánsdóttir, Guðjónsdóttir, Birgisdóttir, Helgadóttir, Jónsdóttir, Jensdóttir, Guðgeirsdóttir, Pálsdóttir, Skúladóttir, Ingadóttir, Guðnadóttir, and Guttormsdóttir