Family name Louwagie (Louwagie 
) , across the world, is a rare surname. The family name Louwagie is habitual in Belgium, where it is quite a rare surname, Slovakia, where it is a rare surname, and France. Measured by absolute frequency, the name is most common in Belgium, the United States, and France. Much less frequently, Louwagie is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Louwagie | Belgium, Canada, Slovakia, France, United States |
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michel louwagie Belgian swimmer and manager, BE (b. 1956) |
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véronique louwagie French politician, FR (b. 1961) |
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| goedele m. louwagie researcher |
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| joseph louwagie college basketball player (2014–2014) Incarnate Word |
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