Cognomen Lok (Lok 
, ライ 
, Лок 
) , throughout the world, is a common family name. The cognomen Lok is characteristic of Marshall Islands, where it is a common surname, Macao, and Hong Kong (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Malaysia, Hong Kong, and China. Also, Lok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lok | China, Nepal, Malaysia, India, Hong Kong |
| ライ | Japan |
| Лок | Kazakhstan, Russia, Ukraine |
| ลก | Thailand |
Eluk, Lakk, Le, Loc, Loch, Lock, Locke, Locken, Locu, Locus, Lokha, Lokk, Lokken, Låg, Lôk, Lõk, Lơk, Lốk, Lộk, Nhạc, Padlock, Yue, Yuè, Ĺòķ, Ĺőķ, Łok, Локк, לוך, לוק, لوك, লোক, ลอก, ลอกอ, ลอก๊ะ, ลอค, ลอคอ, ล็อก, ล็อค, ล๊อก, ล๊อค, หลก, โหลก, ລອກ, ລໂກ, ឡូក, ユエ, ロキ, ロク, ローク, 乐, 勒, 楽, 樂, 洛克, and 罗克
| william lok gentleman usher, mercer, alderman, and sheriff of London, GB (b. 1480) |
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| rose lok English Marian exile (1527-1613), GB (b. 1526) |
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| michael lok English merchant and traveller (b. 1532) |
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| henry lok British writer (b. 1553) |
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| zachariah lok English politician, GB (b. 1561) |
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| lok anna (b. 1598) |
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franc jurij lok DE (b. 1751) |
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lok priya devi Nepalese poet (b. 1898) |
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lok yiu Chinese Wing Chun practitioner, CN (b. 1922) |
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lok nath mahato Indian politician, IN (b. 1945) |
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klaas lok Dutch sportsperson and athletics competitor, NL (b. 1955) |
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| the tjoen lok Chinese Indonesian poet, ID (b. 1906) |
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| kwa hong lok photographer (1910-1964), ID (b. 1910) |
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| rose lok first female Chinese-American pilot in New England (b. 1912) |
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| anje lok NL (b. 1903) |
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