Surname Eotvos (Eotvos 
) , all around the world, is a rare cognomen. The cognomen Eotvos is characteristic of Hungary, where it is quite a rare surname, Switzerland, where it is a rare surname, and Czechia. Measured by absolute frequency, it is the most numerous in Hungary, the United States, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Eotvos | Czechia, Italy, Hungary, Switzerland, United States |