Cognomen Tumasova (Tumasova 
) , in all the world, is a very rare family name. The cognomen Tumasova is habitual in Georgia, where it is a rare surname, Russia, where it is a very rare surname, and Germany. Measured by absolute frequency, it most frequently occurs in Russia, Georgia, and the United States. Much less frequently, Tumasova is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tumasova | Germany, Russia, Georgia, United States, Canada |