Namesakes
Olympic Medalists:
1 silver
(silver) Fritzi Burger 1928; 1932 figure skating 
Other Royalty:
13 princesses, 2 queen consorts, 1 archduchess, 1 empress consort/queen consort, 1 princess/empress consort, 1 princess/princess consort
Wilhelmine of Prussia (a.k.a. Friederike) 1709-1758 Prussia
Friederike Luise of Prussia 1714-1784 Prussia
Friederike of Prussia 1767-1820 Prussia
Wilhelmine of Prussia (a.k.a. Friederike) 1751-1820; 1767-1806 Prussia; Netherlands
Luise of Prussia (a.k.a. Friederike) 1770-1836 Prussia
Auguste of Prussia (middle name Friederike) 1780-1841 Prussia
Friederike of Prussia 1796-1850 Prussia
Alexandrine of Prussia (a.k.a. Friederike) 1803-1892 Prussia
Wilhelmine of Prussia (a.k.a. Friederike) 1815-1837 Netherlands
Marie of Prussia (a.k.a. Friederike) 1825-1889 Prussia
Aleksandra Fyodorovna (a.k.a. Friederike) 1798-1860; 1825-1855 Prussia; Russia
Charlotte of Prussia (a.k.a. Friederike) 1831-1855 Prussia
Anna of Prussia (middle name Friederike) 1836-1918 Prussia
Alexandrine of Prussia (a.k.a. Friederike) 1842-1906 Prussia
Sophie of Württemberg (middle name Friederike) 1849-1877 Netherlands
Sophie of Austria (middle name Friederike) 1855-1857 Austria-Hungary
Marie of Prussia (middle name Friederike) 1855-1888 Prussia
Viktoria of Prussia (a.k.a. Friederike) 1866-1929 Prussia
Auguste Viktoria of Schleswig-Holstein (middle name Friederike) 1888-1918 German Empire; Prussia