Family name Modestova (Modestova 
) , all around the world, is a very rare surname. The last name Modestova is habitual in Liechtenstein, where it is quite a rare surname, Latvia, where it is a rare surname, and Estonia. Measured by absolute frequency, it is the most numerous in Russia, Latvia, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Modestova | Estonia, Latvia, United States, Liechtenstein, Russia |