Surname Siyath (Siyath 
) , globally, is a rare last name. The cognomen Siyath is habitual in Qatar, where it is quite a rare surname, Sri Lanka, and Kuwait, where it is a rare surname. Measured by absolute frequency, it is commonest in Sri Lanka, Saudi Arabia, and Qatar. Likewise, Siyath is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siyath | Kuwait, Saudi Arabia, Indonesia, Sri Lanka, Qatar |