Worldwide, Ai (Ai 
, 愛 , アイ , among others...) is a common epicene forename. The first name Ai is habitual in Albania, where it is quite a common principally masculine, but very seldom girly name, Macao, where it is quite a common epicene name, and Indonesia, where it is quite a common dominantly female, but seldom boy's name (explore the name in all countries). Measured by absolute frequency, it is commonest in Indonesia, India, and Algeria. More prevalently, Ai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ai | Japan, China, Indonesia, Malaysia, Myanmar |
| 愛, 哀 | China |
| アイ | Japan |
| Аи, Ай | Kazakhstan, China, Armenia, Russia, Ukraine |
| أي | Morocco, Iraq, Egypt, Saudi Arabia |
| איי | Israel |
Ai is also a popular name for the fictitious and mythical characters: Kizuna AI , the Japanese virtual YouTuber; Ai Haibara , the fictional character from Detective Conan; Ai Mizuno , the fictional character from Zombie Land Saga; Ai Miyashita , the fictional character from Love Live! Nijigasaki High School Idol Club and Ai Hinatsuru , the fictional character from Ryūō no Oshigoto!, and in many other works.
| lao ai Chinese official (b. 250) |
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| sima ai Jin Dynasty imperial prince (b. 277) |
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| wang ai Tang dynasty person CBDB = 139691 (b. 610) |
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| ai qian Song dynasty person CBDB = 26566 (b. 1153) |
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| ai cui chief of Shuixi (b. 1307) |
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| ai yunzhong Yuan dynasty person CBDB = 102102 (b. 1308) |
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| ai fu politician (b. 1420) |
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| ai pu Ming dynasty person CBDB = 127213 (b. 1451) |
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| li ai Ming dynasty person CBDB=201568 (b. 1466) |
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| ai xichun Ming dynasty person CBDB = 202816 (b. 1506) |
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| ai pu Ming dynasty person CBDB = 202932 (b. 1507) |
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| wang ai Ming dynasty person CBDB = 126768 (b. 1507) |
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| ai qi Ming dynasty person CBDB = 205023 (b. 1528) |
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| ai kejiu Ming dynasty person CBDB = 205072 (b. 1530) |
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| ai weixin Ming dynasty person CBDB = 207259 (b. 1563) |
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