Cognomen An (An 
, 安 , アン 
, along with others...) , across the world, is a prevalent family name. The last name An is habitual in South Korea, where it is a common surname, China, and Malaysia, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is the most numerous in China, South Korea, and Vietnam. Very seldom, An is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| An | Egypt, Malaysia, China, Indonesia, Vietnam |
| 安 | China |
| アン | Japan |
| آن | Egypt, Algeria, Sudan, Iraq, Jordan |
| อัน, อาน | Thailand |
| 안 | South Korea |
| Ан | Kazakhstan, Kyrgyzstan, Armenia, Russia, Uzbekistan |
| אן | Israel |
'An, A, Aan, Aestan, Ahn, Ain, Ana, Anamma, And, Ane, Aneas, Anfangen, Aniar, Annus, Année, Anon, Ans, Ansar, Ante, Anë, Anında, Arn, Auger, Añ, Ań, Aņ, Aň, Aƞ, Aǹ, Aɲ, Aɳ, Aｎ, Baltimora, Bann, Bansha, Céard, Cén, Der, Don, Ein, El, Ende, Estan, Fon, Forsan, Garr, Ghãn, Gin, Hand, Hann, Hi, If'N, In, Indi, Mun, No, O, On, One, Oon, San, Se An, Taewan, Tron, Ucker, Un, Unus, Àn, Àñ, Àń, Àņ, Àň, Áñ, Áń, Áņ, Áň, Áｎ, Ân, Âñ, Âń, Âņ, Âň, Ãn, Ãñ, Ãń, Ãņ, Ãň, Än, Öyle, Ān, Āñ, Āń, Āņ, Āň, Āｎ, Ăñ, Ăń, Ăņ, Ăň, Ąn, Ąñ, Ąń, Ąņ, Ąň, Ǎn, Ǎń, Ǎň, Ǎｎ, Ǻñ, Ǻň, Ɑɳ, Ɑｎ, Ань, И, اّن, اﻥ, ةن, ىن, ٱن, আন, ก, อรรจน์, อัญ, อันน์, อันส์, อัล, อั่น, อั้น, อั๋น, อานน์, อ่าน, อ้าน, အန္, အန္း, အန္းးးးးးးး, အန္္, အန်, အန်း, အံ, အံ့, အ့ံ, ့ံ, ့ံ့, Ạn, Ản, Ần, Ầñ, Ẩn, Ẫn, Ẫň, Ận, Ậň, Ắn, Ằn, Ẳn, Ẳň, Ặñ, Ⱥɳ, 侒, 俺, 儑, 唵, 啽, 垵, 埯, 堓, 婩, 媕, 安帝, 安氏, 岸, 峖, 庵, 按, 晻, 暗, 案, 桉, 氨, 洝, 犴, 玵, 痷, 盦, 盫, 胺, 腤, 荌, 菴, 萻, 葊, 蓭, 誝, 諳, 谙, 豻, 銨, 錌, 铵, 闇, 阿唔, 隌, 雸, 鞌, 鞍, 韽, 顔, 馣, 鮟, 鵪, 鶕, 鹌, 黯, ﺁﻥ, ﺃﻥ, ﺍﻉ, ﺍﻥ, Ａn, Ａń, and Ａｎ
| an shigao Second century Buddhist missionary to China, IQ (b. 101) |
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| an tong (b. 350) |
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| an yan Tang dynasty person CBDB=138994 (b. 560) |
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| princess le an (b. 550) |
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| an du Tang dynasty person CBDB = 139183 (b. 582) |
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| an jing Tang dynasty person CBDB = 139125 (b. 596) |
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| an yuanshou Tang dynasty person CBDB = 142709 (b. 607) |
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| an shenyan Tang dynasty person CBDB = 139755 (b. 623) |
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| an huai Tang dynasty person CBDB = 139895 (b. 631) |
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| an lingjie person, CBDB = 140181 (b. 645) |
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| an sijie Tang dynasty person CBDB = 140313 (b. 659) |
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| an sishun general during the reign of Emperor Xuanzong (b. 695) |
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| an xiaochen Tang dynasty person CBDB = 140574 (b. 699) |
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| an qingxu emperor of Yan (b. 701) |
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| an yuanhui Tang dynasty person CBDB = 146003 (b. 748) |
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