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 | Philippines, Malaysia, Singapore, United States, Indonesia |
| adolf sahala rajagukguk Indonesian officer (1938-2002), ID (b. 1938) |
|
|
| binrot rajagukguk Indonesian politician (born 1954), ID (b. 1954) |
|
|
| luhut rajagukguk ID (b. 1963) |
|
|
| burhanudin rajagukguk Indonesian political candidate, ID |
|
|
| bangun rajagukguk Indonesian political candidate, ID |
|
|
| f.m.t. rajagukguk Indonesian political candidate, ID |
|
|
| th koster rajagukguk Indonesian political candidate, ID |
|