In the world, Claude-Alain (Claude-Alain 
) is a rare male forename. The given name Claude-Alain is characteristic of Switzerland, where it is a rare boy's name, the Democratic Republic of the Congo, and France. Very seldom, Claude-Alain is the last name as well as the forename. Parts of the name also exists independently as a first name Claude, and a first name Alain.
| VARIANT | COUNTRY |
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| Claude-Alain | Germany, Switzerland, United States, France, Democratic Republic of the Congo |
| claude-alain humbert CH (b. 1955) |
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| claude-alain calliste researcher (b. 1972) |
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| claude-alain voiblet CH (b. 1963) |
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| claude-alain pillet researcher |
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| claude-alain faure Ph.D. Université de Genève 1991 |
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| claude-alain maurage researcher |
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| claude-alain pillet |
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| claude-alain biedermann CH |
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| claude-alain maurage |
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May, Roulet, Dirrig, Didier, Leflon, Vannay, Vuille, Brisson, Pilloud, Roullet, Rebetez, Duhamel, Jaquier, Turrian, Noberasco, Frehaut, Zbinden, Baechler, Blattner, Gaillard, Herrmann, Fontaine, Robert, Perrin, Bugnon, Botton, Gay, Luy, Saby, Droz, Amiet, Adami, Besco, Boand, Roten, Risse, Bitschnau, Jacot, Frund, Martin, Meylan, Miquel, Muller, Savioz, Akeret, Cendre, Badoux, Berdoz, Voiblet, and Jeanmonod