Family name Siffa (Siffa 
) , throughout the world, is a rare surname. The surname Siffa is characteristic of Indonesia, where it is a very rare surname, Tanzania, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Indonesia, Tanzania, and Nigeria. More prevalently, Siffa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siffa | Nigeria, Tanzania, South Africa, India, Indonesia |