Last name อาลัย (Miss 
, Alai 
, อาลัย 
) , all around the world, is a common family name. The last name อาลัย is characteristic of Brunei, where it is quite a common surname, Laos, where it is quite a rare surname, and Mexico. In absolute terms, it is commonest in India, Mexico, and China. Much more frequently, อาลัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Miss | Malaysia, Taiwan, United Kingdom, China, Indonesia |
| Alai | Malaysia, United Kingdom, Mexico, China, India |
| อาลัย | Thailand |