Family name Kristrún (Kristrún 
) , in the world, is an extremely rare surname. Predominantly, Kristrún is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kristrún | Iceland, Denmark, United States |
Vala, Einarsdóttir, Friðriksdóttir, Þórðardóttir, Sigurfinnsdóttir, Kjartansdóttir, Pétursdóttir, Gunnarsdóttir, Jóhannsdóttir, Guðmundsdóttir, Hallgrímsdóttir, Sigurðardóttir, Sigurjónsdóttir, Sigurgeirsdóttir, Steinarsdóttir, Kristinsdóttir, Kristjánsdóttir, Júlíusdóttir, Gísladóttir, Grétarsdóttir, Rúnarsdóttir, Ósk, Hansen, Skúladóttir, Hauksdóttir, Helgadóttir, Sveinsdóttir, Antonsdóttir, Agnarsdóttir, Birgisdóttir, Karlsdóttir, Guðnadóttir, Heimisdóttir, Viggósdóttir, Árnadóttir, Ólafsdóttir, Steinþórsdóttir, Björnsdóttir, Kristófersdóttir, and Valdimarsdóttir