Around the world, Hardjo (Hardjo 
) is a common primarily boy's, but very seldom girly given name. The forename Hardjo is characteristic of Indonesia, where it is quite a rare primarily masculine, but very seldom female name, and China, where it is an extremely rare boy's name. Much less frequently, Hardjo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hardjo | Australia, Netherlands, Indonesia, Malaysia, China |
| salikin hardjo Dutch politician (1910-1993), NL (b. 1910) |
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| h.sri hardjo Indonesian political candidate, ID |
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| hardjo koerniadi researcher in New Zealand |
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| hardjo padmojo ID |
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