Last name Frosti (Frosti 
) , around the globe, is a very rare surname. The family name Frosti is characteristic of Finland, where it is a rare surname, Latvia, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Finland, the United States, and Latvia. Also, Frosti is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Frosti | Germany, Iceland, Finland, United States, Latvia |