Cognomen Lukay (Lukay 
) , across the world, is a very rare last name. The family name Lukay is habitual in Tanzania, where it is a very rare surname, Canada, and Malaysia, where it is an extremely rare surname. In absolute terms, this name is the most popular in Tanzania, Canada, and the United States. More prevalently, Lukay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lukay | Tanzania, Canada, United States, Philippines, India |
Locaylocay, Lucaylucay, Lukaylukay, Лукай, and לוקאי
| maureen lukay |
|