Cognomen Léon (Léon 
, Леон 
, ليون 
, and others...) , worldwide, is quite a common surname. The last name Léon is habitual in Israel, where it is quite a rare surname, Mauritius, and Haiti. Measured by absolute frequency, this name is the most popular in Japan, France, and Algeria. More prevalently, Léon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Léon | France, Democratic Republic of the Congo, Benin, Belgium, Ivory Coast |
| Леон | Kazakhstan, Ukraine, Belarus, Serbia, Russia |
| ليون | Egypt, Syria, Sudan, Iraq, Saudi Arabia |
| レオン | Japan |
| לאון | Israel |
Dillon, Lav, Leo, Leon, Leonas, Leone, Leonid, Leonidas, Leons, Leonīds, Lev, Lew, Leão, Leó, León, Lionel, Ljun, Lleo, Lleó, Lyon, Lèv, Λεωνίδας, Лайон, Лион, Лев, Лео, Леоне, Леонид, Леонидас, Леонід, Леў, Лион, Лёв, Лёва, Ліон, לאו, לב, ליאון, ليف, ليو, ლევან, ライアン, ライオン, レオ, レフ, レヴ, 列佛, 列夫, 利夫, 利昂, 利欧, and 里昂
| hervé viii de léon FR (b. 1341) |
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| gonzalo ponce de léon (b. 1530) |
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| pedro ponce de léon Spanish bishop, ES (b. 1561) |
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| joaquín velázquez cárdenas y léon 1732-1786; Jurist u. Ingenieur (b. 1732) |
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charles léon illegitimate son of Napoleon I (1806-1881), FR (b. 1806) |
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| amadeus gottlieb dominicus léon Austrian writer and librarian, AT (b. 1757) |
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| pauline léon French feminist (1768-1838), FR (b. 1768) |
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léonie léon French mistress of Léon Gambetta, FR (b. 1838) |
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| françois-émile léon French colonel, FR (b. 1795) |
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| vincent léon (1800-1877), FR (b. 1800) |
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| ange de léon French politician, FR (b. 1807) |
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mauricio ponce de léon fencer (1864-1930), ES (b. 1864) |
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| david léon NL (b. 1809) |
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paul léon French professor (1874-1962), FR (b. 1874) |
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| adrien léon French politician (1827-1896), FR (b. 1827) |
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Aka, Bakker, Berger, Peters, Durand, Dubois, Dupont, Jansen, Jacobs, Thomas, Habets, Bernard, Kouadio, Kennedy, Peeters, Gautier, Lambert, Leclerc, Janssen, Etienne, Bertrand, Lefebvre, Martin, Jourdain, Faure, Ndong, Lin, Wal, Sarr, Blum, Reno, Leon, Tran, Tine, Samba, Schie, Smits, Camé, Costa, Konan, Koffi, Petit, Denis, Gomis, Geest, Groot, Noël, Nzita, and Chevalier