Cognomen Luai (لؤي 
, Luai 
, หลวย 
) , throughout the world, is a common family name. The cognomen Luai is characteristic of Syria, where it is quite a common surname, Iraq, and Algeria, where it is quite a rare surname. Predominantly, Luai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| لؤي | Jordan, Egypt, Syria, Palestinian Territory, Iraq |
| Luai | Sudan, Malaysia, Saudi Arabia, Myanmar, United Arab Emirates |
| หลวย | Thailand |
| Луай | Russia, Ukraine |
|
jarome luai Australian rugby league footballer, NZ (b. 1997) |
|
| salai lian luai politician |
|