Surname Sibaja (Sibaja 
) , throughout the world, is a common cognomen. The surname Sibaja is habitual in Latin America and the Caribbean, particularly Costa Rica, where it is a common surname, Mexico, where it is quite a rare surname, and Colombia.
| VARIANT | COUNTRY |
|---|---|
| Sibaja | Mexico, Costa Rica, Honduras, Colombia, United States |
| juan luis rodriguez sibaja (b. 1934) |
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| josé sibaja Costa Rican-American trumpeter, CR (b. 1973) |
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| karen vanessa marimón sibaja researcher |
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| jonathan sibaja Costa Rican association football player, CR (b. 1987) |
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| felipe josue fernandez sibaja chess player (b. 1991) |
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| natasha sibaja CR (b. 1990) |
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