Cognomen หลักแก้ว (หลักแก้ว, Lakkaeo, Lakkaew 
) , around the world, is a very rare last name. The last name หลักแก้ว is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lakkaew, Mainkaew | Thailand |
Hlakkaew, Lakhonkaew, Lakkeawkua, Lakkeawkur, Lakronkeaw, and Mainkeaw