Cognomen Monléon (Monléon 
) , worldwide, is an extremely rare surname. The family name Monléon is habitual in Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Monléon | France |
| jean de monléon French Catholic priest and essayist (b. 1890) |
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| jacques de monléon professor of philosophy in France and Canada, FR (b. 1901) |
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jean-vital de monléon FR (b. 1965) |
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| albert-marie de monléon French priest and theologian, FR (b. 1937) |
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