Cognomen Kouyoumdjian (Kouyoumdjian 
, قيومجيان) , in all the world, is quite a rare last name. The family name Kouyoumdjian is habitual in Cyprus, where it is quite a rare surname, Lebanon, and Uruguay. In absolute terms, it is commonest in France, Lebanon, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kouyoumdjian | Lebanon, Canada, Argentina, France, United States |
Kouyoumdjián, and Коуёумдйиан
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dikran kouyoumdjian British writer, GB (b. 1895) |
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juan kouyoumdjian Argentine yacht designer, AR (b. 1971) |
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| rafi kouyoumdjian (b. 1961) |
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| m kouyoumdjian researcher |
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| joao aris kouyoumdjian researcher |
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| fiona g kouyoumdjian researcher |
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| laura kouyoumdjian researcher (ORCID 0000-0003-3201-7862) |
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| pascal kouyoumdjian researcher |
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| mary kouyoumdjian US |
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| pascal kouyoumdjian |
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| pascal kouyoumdjian FR (b. 1980) |
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| yianno kouyoumdjian |
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