Last name ซัยฟูดีน (Saifudin 
, ซัยฟูดีน 
) , all around the world, is a common surname. The cognomen ซัยฟูดีน is habitual in South-eastern Asia, particularly Indonesia, where it is quite a rare surname, Malaysia, and Singapore, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Indonesia, Malaysia, and India. Also, ซัยฟูดีน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saifudin | Nepal, Malaysia, India, Indonesia, Afghanistan |
| ซัยฟูดีน | Thailand |