Cognomen Benchia (Benchia 
) , in all the world, is a rare last name. The cognomen Benchia is habitual in Romania, where it is a rare surname, Algeria, and Israel, where it is a very rare surname. In absolute terms, it is the most numerous in Algeria, Romania, and the United States. Much less frequently, Benchia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Benchia | Algeria, Romania, Israel, France, United States |