Family name Sinoyi (Sinoyi 
) , globally, is a very rare surname. The family name Sinoyi is habitual in South Africa, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Sinoyi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinoyi | India, South Africa |