Family name Sillaba (Silbe 
, Sillaba 
, Syllaba 
) , around the world, is a rare surname. The surname Sillaba is habitual in Austria, where it is a rare surname, Czechia, and Germany. Not in comparison with a country's population, this name is the most popular in Germany, Austria, and the United States. Much less frequently, Sillaba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silbe | Germany, Italy, Nigeria, United States, India |
| Sillaba | United States, Philippines |
| Syllaba | Czechia, Austria, United States, Canada, Brazil |