Family name Eyþórsson (Eyþórsson 
) , in the world, is a very rare surname. The last name Eyþórsson is characteristic of Northern Europe, particularly Iceland, where it is quite a common surname.
| jón eyþórsson Icelandic glaciologist (1895-1968) (b. 1895) |
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| einar eyþórsson Norwegian author (b. 1956) |
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| bárður eyþórsson basketball coach, IS (b. 1968) |
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| pétur eyþórsson Icelandic martial artist, IS (b. 1978) |
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