Family name סיאל (Syal 
, סיאל 
) , worldwide, is quite a common last name. The family name סיאל is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Qatar, where it is a rare surname, and Oman. Measured by absolute frequency, it is commonest in India, Pakistan, and the United States. Very seldom, סיאל is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Syal | Indonesia, United Arab Emirates, United States, India, Pakistan |
| סיאל | Israel |