Cognomen Sibya (Sibya 
) , in the world, is a rare surname. The last name Sibya is characteristic of Philippines, where it is a rare surname, South Africa, where it is a very rare surname, and Honduras. Measured by absolute frequency, it is the most numerous in Philippines, South Africa, and the United States. Much less frequently, Sibya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sibya | Mexico, Philippines, United States, South Africa, India |