Cognomen Syaifullah (Syaifullah 
) , all over the world, is a common family name. The cognomen Syaifullah is characteristic of South-eastern Asia, particularly Indonesia, where it is quite a rare surname, Malaysia, where it is a rare surname, and Thailand, where it is a very rare surname. Likewise, Syaifullah is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Syaifullah | Indonesia, Malaysia, Australia, Singapore, Thailand |
| a. syaifullah Indonesian politician (born 1965 in Banjarmasin), ID (b. 1965) |
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| asep syaifullah (b. 1956) |
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| ir. h. teuku muda syaifullah Indonesian political candidate, ID |
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| denny mustika syaifullah Indonesian political candidate, ID |
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