Family name Rumbayan (Rumbayan 
) , all around the world, is quite a rare cognomen. The cognomen Rumbayan is habitual in Indonesia, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Rumbayan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rumbayan | United States, Indonesia |
| pdt. robby s. rumbayan Indonesian political candidate, ID |
|
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| carolina christina rumbayan |
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