Princess Frederica
- Caroline of Baden
- Frederica Louisa of Hesse-Darmstadt
- Frederica of Baden
- Frederica of Hanover
- Frederica of Mecklenburg-Strelitz
- Friederike of Hanover (disambiguation)
- Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck
- Princess Frederica Amalia of Denmark
- Princess Frederica Charlotte of Prussia
- Princess Frederica of Hanover
- Princess Frederica of Prussia (1796–1850)
- Princess Friederike Luise of Prussia
- Princess Friederike of Hesse-Darmstadt
- Princess Friederike of Schleswig-Holstein-Sonderburg-Glücksburg