Cognomen Rajagukguk (Rajagukguk 
) , all over the world, is a common family name. The cognomen Rajagukguk is habitual in Indonesia, where it is quite a rare surname, Malaysia, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rajagukguk | Indonesia, Malaysia, Philippines, Singapore, United States |
| adolf sahala rajagukguk Indonesian officer (1938-2002), ID (b. 1938) |
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| binrot rajagukguk Indonesian politician (born 1954), ID (b. 1954) |
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| luhut rajagukguk ID (b. 1963) |
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| burhanudin rajagukguk Indonesian political candidate, ID |
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| bangun rajagukguk Indonesian political candidate, ID |
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| f.m.t. rajagukguk Indonesian political candidate, ID |
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| th koster rajagukguk Indonesian political candidate, ID |
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