Cognomen Musts (Musts 
) , throughout the world, is a very rare surname. The cognomen Musts is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname. Very seldom, Musts is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Musts | Latvia, United States, United Kingdom |