Surname Merthan (Merthan 
) , in all the world, is a rare family name. The cognomen Merthan is characteristic of Germany, where it is a rare surname, Austria, and Brazil, where it is a very rare surname. Measured by absolute frequency, it is commonest in Germany, Brazil, and the United States. Also, Merthan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Merthan | Turkey, Germany, Austria, United States, Brazil |
| christine merthan Austrian actress, AT (b. 1943) |
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