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 | Sudan, Ethiopia, India, United States, Czechia |
| Serak | Ethiopia, India, United States, Czechia, Indonesia |
| سيراك | Iran, Iraq |
| Ceyrac | France, Hong Kong, Croatia, United Kingdom |