Surname Horpen (Horpen 
) , all around the world, is a very rare family name. The cognomen Horpen is habitual in Norway, where it is a rare surname, and New Zealand, where it is a very rare surname. Much less frequently, Horpen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Horpen | Norway, New Zealand, India |