Surname سيراك (Sirak 
, Serak 
, سيراك 
) , globally, is quite a common last name. The cognomen سيراك is characteristic of Ethiopia, where it is quite a rare surname, Slovakia, and Estonia. Not in comparison with a country's population, this name is the most popular in Ethiopia, the United States, and Indonesia. Also, سيراك is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirak | Ethiopia, Czechia, Sudan, United States, India |
| Serak | Indonesia, Ethiopia, Czechia, United States, India |
| سيراك | Iraq, Iran |
| Ceyrac | Hong Kong, Croatia, France, United Kingdom |