Family name Arnth (Arth 
, Arnth 
) , in the world, is quite a rare last name. The cognomen Arnth is characteristic of Cyprus, where it is quite a rare surname, Austria, where it is a rare surname, and Ghana. Measured by absolute frequency, it is commonest in the United States, Germany, and France. Also, Arnth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arth | Germany, Philippines, France, United States, India |
| Arnth | Germany, Denmark, United Kingdom, United States, Myanmar |
| arnth velcha Ancient Etruscan aristocrat |
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| ditte arnth Danish actress, DK (b. 1982) |
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