Cognomen Momtsos (Momtsos 
) , in the world, is a rare family name. The surname Momtsos is habitual in Greece, where it is a rare surname, and Germany, where it is an extremely rare surname. Very seldom, Momtsos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Momtsos | Germany, Greece |
George, Antonis, Georgios, Tzanetos, Emmanouil, Panagiwths, and Athanassios