Surname Scarn (Scarn 
) , worldwide, is a very rare last name. The last name Scarn is habitual in New Zealand, where it is a rare surname, Australia, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, it is commonest in the United States, Australia, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Scarn | Canada, New Zealand, Australia, United States, Germany |