Cognomen Sifan (思凡 
, Sifan 
, صيفان 
) , all around the world, is quite a rare family name. The last name Sifan is characteristic of Maldives, where it is quite a rare surname, Qatar, and Yemen. Not in comparison with a country's population, it most frequently occurs in China, Yemen, and Saudi Arabia. More frequently, Sifan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 思凡 | China |
| Sifan | China, Saudi Arabia, United Arab Emirates, Sri Lanka, India |
| صيفان | Yemen, Saudi Arabia |
| Сифан | Kazakhstan, Russia |
Сіфан, سيفان, سیفان, 丝凡, 丝帆, 丝范, 俬販, 兕藩, 厶翻, 司凡, 司帆, 司范, 嗣凡, 嗣帆, 嗣璠, 嗣繁, 嗣范, 噝範, 四凡, 四帆, 四范, 巳樊, 思凢, 思帆, 思梵, 思樊, 思汎, 思燔, 思璠, 思番, 思繁, 思翻, 思范, 思蕃, 思藩, 思钒, 思饭, 斯凡, 斯帆, 斯梵, 斯樊, 斯燔, 斯繁, 斯翻, 西凡, 西反, 西帆, 西梵, 西泛, 西璠, 西翻, 西范, 西藩, 西饭, 锡凡, 锡帆, 锡梵, 锡樊, 锡璠, 锡翻, 锡范, 锡蕃, 锡藩, 锡钒, 锶凡, and 驷凡
| qifu sifan |
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