Cognomen Kigay (Kigay 
, Кигай 
) , globally, is a rare surname. The surname Kigay is characteristic of Kazakhstan, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia. Not in comparison with a country's population, the name is most common in Russia, Kazakhstan, and Philippines. Much less frequently, Kigay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kigay | India, Philippines, United States |
| Кигай | Russia, Kyrgyzstan, Ukraine, Kazakhstan |