Cognomen Synia (Synia 
) , across the world, is a very rare surname. The last name Synia is characteristic of Denmark, where it is a rare surname, Honduras, where it is a very rare surname, and Nicaragua. In absolute terms, it is commonest in India, Honduras, and Denmark. Also, Synia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Synia | Denmark, United States, India, Honduras, Mexico |