Last name Louaintier (Louaintier 
) , in all the world, is a very rare surname. The surname Louaintier is habitual in France, where it is a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Louaintier | Brazil, France |
| yves louaintier French politician, FR (b. 1949) |
|
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| madeleine louaintier French politician, mayor of Flers, FR |
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