Cognomen Rubech (Rubech 
) , all over the world, is an extremely rare last name. The surname Rubech is habitual in Denmark, where it is a rare surname, and Mexico, where it is an extremely rare surname. Much more prevalently, Rubech is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rubech | Democratic Republic of the Congo, Mexico, Brazil, Denmark |