Family name Dacis (Dacis 
) , worldwide, is a very rare cognomen. The family name Dacis is habitual in Latvia, where it is a rare surname, Australia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Dacis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dacis | Latvia, Australia, United States, China, Germany |