Family name Træen (Træen 
) , all over the world, is a very rare last name. The cognomen Træen is habitual in Northern Europe, particularly Norway, where it is a rare surname.
| oddvar træen association football player, NO (b. 1942) |
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torstein træen Norwegian cyclist, NO (b. 1995) |
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| bente træen Norwegian dentist and writer, NO (b. 1958) |
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| jørgen træen musician, NO (b. 1973) |
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| bente træen researcher |
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