Last name Κοσμά (Cosma 
, Κοσμά 
) , throughout the world, is a common cognomen. The surname Κοσμά is habitual in Romania, where it is quite a common surname, Cyprus, and Italy, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Romania, Italy, and Tanzania. Likewise, Κοσμά is the forename as well as the last name.
| μαρία κοσμά Greek archaeologist, GR (b. 1970) |
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| παναγιώτης κοσμά Cypriot footballer, CY (b. 1980) |
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| έφη κοσμά Greek actress, GR |
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| αφροδίτη κοσμά Greek basketball player, GR (b. 1983) |
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| σοφία κοσμά Greek volleyball player, GR (b. 1993) |
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