Around the world, Jao (Jao 
, Жао 
, Джао 
) is quite a rare dominantly masculine, but seldom feminine first name. The forename Jao is habitual in Madagascar, where it is quite a rare boy's name, United Arab Emirates, where it is a rare masculine name, and Portugal. Not in comparison with a country's population, it is commonest in Madagascar, Nigeria, and Philippines. Likewise, Jao is the last name as well as the forename.
| chin chih jao phycologist (1900-1998) (b. 1900) |
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| tun jao researcher |
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| ping jao researcher |
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