Last name Алай (Alai 
, Alay 
, Alaj 
) , around the world, is a common family name. The last name Алай is habitual in Brunei, where it is quite a common surname, Guatemala, and Turkey, where it is quite a rare surname. In absolute terms, this name is the most popular in Turkey, India, and Guatemala. Also, Алай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alai | Turkey, Indonesia, Philippines, Nigeria, India |
| Alay | Turkey, Indonesia, Guatemala, Philippines, India |
| Alaj | Saudi Arabia, Morocco, Nigeria, United States, India |
| Алай | Azerbaijan, Russia, Kyrgyzstan, Belarus, Ukraine |
| алай, сергей петрович athletics competitor, BY (b. 1965) |
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| алай, анатолий иванович BY |
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