Family name Thallaug (Thallaug 
) , across the world, is a very rare cognomen. The surname Thallaug is habitual in Northern Europe, particularly Norway, where it is a rare surname, Denmark, and Sweden. Much less frequently, Thallaug is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thallaug | Norway, Spain, Sweden, United States, Denmark |
|
axel thallaug Norwegian politician, NO (b. 1866) |
|
|
anita thallaug Norwegian actress and singer, NO (b. 1938) |
|
| haakon thallaug lawyer (b. 1903) |
|
|
| edith thallaug Norwegian actress (1929-2020), NO (b. 1929) |
|
|
| erik thallaug Norwegian photographer (b. 1968) |
|