Cognomen معصوم (Masum 
, Masoom , معصوم 
) , globally, is a widespread surname. The family name معصوم is habitual in Bangladesh, where it is quite a common surname, Oman, and Qatar (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Bangladesh, India, and Saudi Arabia. Likewise, معصوم is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masum, Masoom | Pakistan, Indonesia, Saudi Arabia, India, Bangladesh |
| معصوم | Sudan, Syria, Afghanistan, Iraq, Iran |
|
فؤاد معصوم seventh President of Iraq, IQ (b. 1938) |
|
| جوان فؤاد معصوم Iraqi politician, IQ (b. 1972) |
|