Cognomen Sisayi (Sisayi 
) , around the world, is a rare surname. The cognomen Sisayi is characteristic of Ethiopia, where it is a rare surname, Saudi Arabia, and South Africa, where it is a very rare surname. Very seldom, Sisayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sisayi | India, Ethiopia, Saudi Arabia, South Africa |