Namesakes
Fictional Characters from Books:
1 character
Katharina Blum 1974 The Lost Honor of Katharina Blum 
Notable Athletes:
1 tennis
(tennis) Sabine Lisicki (middle name Katharina) 1989-
Notable Politicians and Statespeople:
1 politician
Ingrid van Engelshoven (middle name Katharina) 1966-
Olympic Medalists:
1 bronze
(bronze) Käthe Krauss 1936 100 m
Other Royalty:
2 princesses, 1 archduchess
Friederike of Prussia (middle name Katharina) 1767-1820 Prussia
Maria Anna of Austria (middle name Katharina) 1835-1840 Austria-Hungary
Ekaterini of Greece and Denmark (a.k.a. Katharina) 1913-1974; 1913-2007 Greece; Denmark
Saints:
1 blessed
Blessed Anna Katharina Emmerick 1774-1824