Last name Looi (Looi 
, ローイ) , in the world, is a common surname. The family name Looi is characteristic of South-eastern Asia, particularly Malaysia, where it is quite a common surname, Singapore, and Brunei. In absolute terms, the name is most common in Malaysia, Singapore, and Australia. Also, Looi is the forename as well as the last name.
| levinus van looi Dutch journalist (1897-1977), NL (b. 1897) |
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erwin van de looi Dutch association football player and association football manager, NL (b. 1972) |
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| looi loon teik association football player, MY (b. 1945) |
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tom van de looi association football player, NL (b. 1999) |
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| beatrice looi Malaysian fashion designer (b. 1967) |
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| melinda looi Malaysian fashion designer, MY (b. 1975) |
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| evelyn suk yi looi researcher |
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| khang-li looi researcher |
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| thomas looi researcher |
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| estelle looi Malaysian actress, MY |
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| kevin looi researcher |
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| valerie looi New Zealand researcher (audiometry) |
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| kim hoe looi researcher |
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| looi ee researcher ORCID ID = 0000-0001-7532-0541 |
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| jiemin looi researcher (ORCID 0000-0002-9584-2483) |
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