Across the world, Saifullah (Saifullah 
, Сайфуллах 
, Саифуллах ) is a common masculine given name. The forename Saifullah is characteristic of United Arab Emirates, where it is quite a rare primarily masculine, but very infrequently feminine name, Saudi Arabia, and Brunei, where it is quite a rare boy's name. Measured by absolute frequency, it is the most numerous in India, Bangladesh, and Saudi Arabia. Also, Saifullah is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Saifullah | Saudi Arabia, Bangladesh, Malaysia, India, Indonesia |
| Сайфуллах | Kazakhstan, Russia, Ukraine |
| Саифуллах | Russia |
Saıfullah, Сайфуллагь, and Сайфуллахь
| saifullah mirza Qajar prince (b. 1814) |
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saifullah paracha Pakistani Guantanamo detainee, PK (b. 1947) |
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saifullah cheema Member of the Pakistan Peoples Party |
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| saifullah khan paracha baloch politician (b. 1931) |
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| saifullah s ID (b. 1950) |
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| saifullah "sam" zaman British music producer, 1965-2015, GB (b. 1965) |
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| saifullah abbas ID (b. 1958) |
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| saifullah hidayat researcher |
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| saifullah arifin jaaman researcher |
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| saifullah ahmad naqshbandi Pakistani islamic scholar, PK |
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| shaheen naz saifullah politician in Pakistan |
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| saifullah afridi researcher |
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| saifullah khan Dr.-Ing. Carl-von-Ossietzky-Universität Oldenburg 2017 |
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| bullo saifullah researcher (ORCID 0000-0002-9481-080X) |
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| saifullah ma'shum Indonesian political candidate, ID |
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