Cognomen Loisne (Loisne 
) , in the world, is a very rare family name. The cognomen Loisne is characteristic of Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Loisne | France |
| charles menche de loisne French colonial administrator (1819-1901), FR (b. 1819) |
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| blandine de loisne (born 1887) (b. 1887) |
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