Cognomen Siahaya (Siahaya 
) , all around the world, is quite a common family name. The cognomen Siahaya is characteristic of Indonesia, where it is quite a rare surname, Netherlands, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Siahaya | United States, Indonesia, Netherlands |
| willem anton siahaya ID (b. 1962) |
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| jack siahaya Indonesian political candidate, ID |
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| priskila siahaya badminton player, ID (b. 1996) |
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Mei, Lars, Jack, John, Joop, Joke, Juan, Tina, Tsar, Nora, Glen, Noke, Erna, Endy, Emmy, Heis, Veda, Veby, Odji, Wina, Yopi, Elly, Gigi, Gery, Dith, Sam, Ade, Bas, Roy, Joe, Joy, Jim, Tia, Esy, Vio, Ian, Odo, Wim, Mark, Alex, Alif, Anne, Ruth, Rudy, Dean, Davy, Menno, and Meike