In the entire world, Friðrika (Friðrika 
) is an extremely rare unknown gender first name.
| VARIANT | COUNTRY |
|---|---|
| Friðrika | Iceland |
Bedriska, Bedřiška, Federica, Frederica, Frederika, Frederique, Fredrika, Friderica, Friderika, Fridrika, Friederike, Fryderyka, Frédérika, Frédérique, Riikka, Ulrica, Ulrika, Ulrike, Ulrikke, Ulryka, Φρειδερίκη, Риикка, Ульрика, Ульрике, Федерика, Фредерик, Фредерика, Фредрика, Фридерика, Фридрика, פרידריקה, ウルリカ, フェデリカ, フレデリック, and 弗雷德里克
| friðrika jónsdóttir IS (b. 1877) |
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| friðrika magnea símonardóttir IS (b. 1877) |
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| friðrika sigfúsdóttir IS (b. 1896) |
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| friðrika jónsdóttir IS (b. 1907) |
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| friðrika arnardóttir Icelandic association football player, IS |
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Ásmundsdóttir, Geirsdóttir, Marteinsdóttir, and Stefánsdóttir