Cognomen Румбутис (Румбутис 
) , globally, is a very rare last name. The surname Румбутис is habitual in Eastern Europe, particularly Belarus, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Румбутис | Russia, Belarus |
| людас румбутис Soviet association football player, BY (b. 1955) |
|