Throughout the world, Sayuddin (Sayuddin 
) is a very rare dominantly masculine, but seldom feminine first name. The first name Sayuddin is characteristic of Southern Asia, particularly India, where it is an extremely rare dominantly male, but infrequently female name. Very seldom, Sayuddin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sayuddin | India, Malaysia |