Family name ลาซ (Lat 
, ลาซ 
) , all around the world, is a common cognomen. The cognomen ลาซ is characteristic of South-eastern Asia, particularly Myanmar, where it is a common surname, Malaysia, where it is quite a common surname, and Philippines, where it is quite a rare surname. Also, ลาซ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lat | Philippines, Algeria, Malaysia, India, Myanmar |
| ลาซ | Thailand |