Family name Urtnasan (Urtnasan 
) , globally, is quite a rare surname. The surname Urtnasan is characteristic of Mongolia, where it is quite a common surname, Czechia, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, Urtnasan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Urtnasan | Germany, Czechia, United States, Poland, Mongolia |
| gan-ocziryn urtnasan Mongolian amateur wrestler, MN (b. 1994) |
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