Family name Guðfinnsson (Guðfinnsson 
) , in all the world, is a very rare cognomen. The cognomen Guðfinnsson is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname.
| einar guðfinnsson Icelandic entrepreneur (1898-1985) (b. 1898) |
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einar k. guðfinnsson Icelandic politician, IS (b. 1955) |
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| gestur guðfinnsson (b. 1910) |
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| helgi jónas guðfinnsson basketball coach, IS (b. 1976) |
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