Surname Ляца (Ляца 
, Liaca 
, Liatsa 
) , in the entire world, is a very rare family name. The cognomen Ляца is characteristic of Greece, where it is a rare surname, Portugal, and Philippines, where it is an extremely rare surname. Much less frequently, Ляца is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ляца | Russia |
| Liaca | Portugal, India, Mexico, Philippines |
| Liatsa | Greece |