Surname Sinoni (Sinoni 
) , in all the world, is a rare family name. The last name Sinoni is habitual in Tanzania, where it is a rare surname, Israel, and Portugal, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Tanzania, South Africa, and Israel. Very seldom, Sinoni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinoni | Portugal, South Africa, Tanzania, India, Israel |