Family name سیدرا (Sidra 
, سیدرا 
) , in the world, is quite a common cognomen. The family name سیدرا is characteristic of Algeria, where it is quite a rare surname, United Arab Emirates, and Qatar. Not in comparison with a country's population, the name is most common in Algeria, Pakistan, and Iraq. More frequently, سیدرا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sidra | Pakistan, India, Syria, Saudi Arabia, Algeria |
| سیدرا | Iraq |