Cognomen Causis (Causis 
) , across the world, is an extremely rare last name. The family name Causis is habitual in Georgia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Causis | Georgia, United States |
| michal de causis notary, parish priest and procurator ad impetrandum of the Roman Curia, CZ (b. 1380) |
|