Around the globe, Билай (Bilai 
, Bilay 
, Bilaj 
) is quite a rare gender-neutral given name. The given name Билай is habitual in Gambia, where it is quite a rare masculine name, India, where it is a rare gender-neutral name, and Morocco, where it is a very rare boy's name. In absolute terms, it is the most numerous in India, Gambia, and Nigeria. Also, Билай is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Bilai | China, Malaysia, Tanzania, India, Cameroon |
| Bilay | Gambia, Philippines, Senegal, India, Myanmar |
| Bilaj | Germany, United States, India, Greece, Albania |
| Билай | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |