Last name Demovich (Demovich 
) , throughout the world, is a very rare cognomen. The surname Demovich is characteristic of Israel, where it is a very rare surname, Italy, where it is an extremely rare surname, and Brazil. Not in comparison with a country's population, this name is the most popular in Brazil, the United States, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Demovich | Brazil, Italy, United States, Israel |