Surname Idayi (Idayi 
) , all over the world, is a rare last name. The family name Idayi is characteristic of Nigeria, where it is a very rare surname, Colombia, and the United States, where it is an extremely rare surname. Likewise, Idayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Idayi | India, Colombia, Nigeria, United States |