Cognomen Sigayi (Sigayi 
) , all around the world, is a very rare last name. The family name Sigayi is habitual in South Africa, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Sigayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sigayi | India, South Africa |