Last name Sinawon (Sinawon 
) , all around the world, is a very rare family name. The family name Sinawon is habitual in Philippines, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Sinawon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sinawon | India, Philippines |