Family name Holst-Hansen (Holst-Hansen 
) , all over the world, is a very rare cognomen. The cognomen Holst-Hansen is habitual in Northern Europe, particularly Norway, where it is a rare surname, Denmark, and the United Kingdom, where it is an extremely rare surname. Parts of the name also exists independently as a last name Holst, and a last name Hansen.
| VARIANT | COUNTRY |
|---|---|
| Holst-Hansen | Norway, United Kingdom, Denmark |