Last name Frederika (Frederika 
, Фредерик 
, Фредерика 
) , in the world, is quite a rare surname. The cognomen Frederika is characteristic of Indonesia, where it is a rare surname, Bulgaria, and New Zealand, where it is a very rare surname. Measured by absolute frequency, the name is most common in Indonesia, Russia, and Spain. More frequently, Frederika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Frederika | Slovakia, United States, France, Indonesia, South Africa |
| Фредерик | Estonia, Russia, Belarus, Bulgaria, Kyrgyzstan |
| Фредерика | Russia, Kazakhstan |
| נסיכת | Israel |
Bedriska, Bedřiška, Federica, Frederica, Frederique, Fredrika, Friderica, Friderika, Fridrika, Friederike, Friðrika, Fryderyka, Frédérika, Frédérique, Riikka, Ulrica, Ulrika, Ulrike, Ulrikke, Ulryka, Φρειδερίκη, Риикка, Ульрика, Ульрике, Федерика, Фредеріка, 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
Mohr, Fourie, Watson, Willis, Wilson, Zeiler, Maguire, Mcclary, Mcvittie, Coetzee, Claproth, Roberts, Grondijs, Olivier, Yockney, Knoppert, Phillips, Robinson, Theohari, Montpetit, Pretorius, Brookfield, Thomas, Du Plessis, Jacobs, Dumais, Smit, Alan, Lipa, Myles, Scott, Smith, Angus, Adams, Cohen, Botha, Price, Davis, Jager, Jones, Haley, Intan, White, Zappe, Brooks, Kesten, Davies, Gwaivu, and Van Der Merwe