Around the world, Gwilherm (Gwilherm 
) is a very rare male forename. The forename Gwilherm is characteristic of Western Europe, particularly France, where it is a rare masculine name. Much less frequently, Gwilherm is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gwilherm | France, Brazil, United States |
Bill, Guglielmo, Guilherme, Guillaume, Guillem, Guillermo, Guillén, Gulielmus, Vilem, Vilmos, Vilém, Wilhelm, Wilhelm Carl, Will, Willem, William, Wm., Μπιλ, Бил, Билл, Біл, Білл, Вил, Вилем, Вилл, Виллем, Вилмос, Вилмош, Вилхелм, Вильгельм, Вильмош, Вильям, Вилям, Вілем, Вільгельм, Вільмош, Вільям, Гийом, Гильен, Гильерме, Гильермо, Гійом, Гільєрмо, Уилл, Уильям, Уилям, Уільям, ביל, גיום, ווילהעלם,
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gwilherm berthou French poet, FR (b. 1908) |
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| gwilherm evano researcher (b. 1977) |
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| gwilherm nénert researcher, ORCID id # 0000-0002-5168-9464 |
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| gwilherm power |
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| gwilherm de cerval FR (b. 1987) |
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Sil, Lozac'H, Luquet, Tanguy, Thomas, Huchet, Sassier, Selosse, Armange, Audrain, Courbet, Bernard, Bourdon, Boutier, Lebigot, Nicolas, Bassaler, Bertrand, Kerherve, Perthuis, Peyronel, Rochefort, Louyer, Hermeline, Lebrun, Gauvin, Bzh, Hue, Bras, Pape, Razy, Simon, Juste, Martin, Margry, Marzin, Artaud, Agaesse, Cariou, Castel, Coulon, Couffy, Cudennec, Baglin, Brisou, Penant, Doaré, Gazeau, and Mosneron Dupin