Cognomen Smajlagić (Smajlagić 
) , in the entire world, is a rare last name. The surname Smajlagić is characteristic of Southern Europe, particularly Bosnia and Herzegovina, where it is quite a rare surname, and Croatia, where it is a rare surname.
| VARIANT | COUNTRY |
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| Smajlagić | Croatia, Bosnia and Herzegovina |
| irfan smajlagić Croatian handball player, HR (b. 1961) |
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| ervin smajlagić Bosnian footballer (b. 1976) |
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| sven smajlagić Croatian basketball player (1990-), HR (b. 1990) |
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| semir smajlagić Bosnia and Herzegovina footballer, BA (b. 1998) |
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