Namesakes
Notable Actors and Entertainers:
1 actor
Luise Rainer 1910-2014 
Notable Musicians:
1 singer
Lena Valaitis (a.k.a. Luise) 1943-
Olympic Medalists:
2 silver
(silver) Luise Krüger 1936 javelin throw
(silver) Marianne Limpert (a.k.a. Luise) 1996 swimming - 200 m medley
Oscar Award Winners:
1 actress
(actress) Luise Rainer 1937; 1938 The Great Ziegfeld; The Good Earth
Other Royalty:
12 princesses, 2 princess/empress consorts, 1 empress consort/queen consort, 1 princess/queen consort, 1 queen consort, 1 queen consort/empress consort
Luise of Prussia 1701-1705 Prussia
Friederike Luise of Prussia 1714-1784 Prussia
Luise Ulrike of Prussia 1720-1782; 1751-1771 Prussia; Sweden
Luise of Prussia 1770-1836 Prussia
Friederike of Prussia (a.k.a. Luise) 1796-1850 Prussia
Aleksandra Fyodorovna (a.k.a. Luise) 1798-1860; 1825-1855 Prussia; Russia
Luise of Prussia 1808-1870; 1825-1870 Prussia; Netherlands
Wilhelmine of Prussia (a.k.a. Luise) 1815-1837 Netherlands
Luise of Prussia 1829-1901 Prussia
Charlotte of Prussia (a.k.a. Luise) 1831-1855 Prussia
Luise of Prussia 1838-1923 Prussia
Alexandrine of Prussia (a.k.a. Luise) 1842-1906 Prussia
Marie of Prussia (a.k.a. Luise) 1855-1888 Prussia
Luise Margarete of Prussia 1860-1917 Prussia
Augusta of Saxe-Weimar-Eisenach (a.k.a. Luise) 1861-1888; 1871-1888 Prussia; German Empire
Alix of Hesse and by Rhine; Alexandra Feodorovna (a.k.a. Luise) 1872-1894; 1894-1917 Hesse and by Rhine; Russia
Auguste Viktoria of Schleswig-Holstein (a.k.a. Luise) 1888-1918 German Empire; Prussia
Viktoria Luise of Prussia 1892-1980 Prussia
Saints:
1 saint
Saint Alexandra Feodorovna (a.k.a. Luise) 1872-1918