Queen Frederica or Queen Frederika may refer to:
- Frederica Louisa of Hesse-Darmstadt (1751–1805), Queen of Prussia
- Frederica of Mecklenburg-Strelitz (1778–1841), Queen of Hanover
- Frederica of Baden (1781–1826), Queen of Sweden
- Frederica of Hanover (1917–1981), Queen of the Hellenes
- SS Queen Frederica, a Chandris Line cruise ship
This disambiguation page lists articles associated with the title Queen Frederica.
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