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 | Malaysia, Tanzania, China, India, Cameroon |
| Bilay | Philippines, Senegal, Gambia, Myanmar, India |
| Bilaj | India, Greece, United States, Albania, Germany |
| Билай | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |