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 | Nigeria, Germany, United States, Italy, India |
| Sillaba | Philippines, United States |
| Syllaba | Czechia, Canada, United States, Austria, Brazil |