Cognomen Cavén (卡文 
, كافين 
, Cavén 
) , in all the world, is a very rare surname. The cognomen Cavén is habitual in Finland, where it is a rare surname, and China, where it is an extremely rare surname. More prevalently, Cavén is the forename as well as the last name.
| kustaa cavén Finnish farmer and lay judge, FI (b. 1749) |
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| alfred cavén Finnish architect, FI (b. 1836) |
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| kari cavén Finnish sculptor, FI (b. 1954) |
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| tina cavén Finnish journalist, FI |
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| adolf cavén |
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| heidi cavén FI |
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| joonas cavén Finnish basketball player, FI (b. 1993) |
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