Cognomen Silaban (Silaban 
) , in the entire world, is a common surname. The last name Silaban is habitual in South-eastern Asia, particularly Indonesia, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Singapore, where it is a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Malaysia, and the United States. Very seldom, Silaban is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Silaban | Indonesia, Malaysia, Singapore, United States, India |
| frederich silaban Indonesian architect, ID (b. 1912) |
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rekson silaban (b. 1966) |
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| pantur silaban Indonesian academic, ID (b. 1937) |
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| tigor silaban Indonesian doctor (1953–2021) (b. 1953) |
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| sahat silaban Indonesian politician, ID (b. 1960) |
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| himsar silaban ID (b. 1953) |
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| rekson silaban Indonesian politician (born 1966), ID (b. 1966) |
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| elyeser silaban ID (b. 1956) |
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| ramlan silaban ID (b. 1960) |
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| maruli tua silaban Indonesian political candidate, ID |
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| josmar silaban Indonesian political candidate, ID |
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| ampu sondang silaban Indonesian political candidate, ID |
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