Family name Guðrun (Guðrun 
) , all around the world, is an extremely rare cognomen. Much more prevalently, Guðrun is the forename as well as the last name.
Reyni, Henriksen, Jóhannsdottir, Árnadóttir, Henrysdóttir, Jonsdottir, Jacobsen, Ingólfsdottir, Nielsen, Hansen, Tórsdóttir, Tausen, Zoega, Weihe, Olsen, Poulsen, and Stefansdottir