Namesakes
Fictional Characters from Books:
1 character
Katharina Blum 1974 The Lost Honor of Katharina Blum 
Notable Athletes:
1 tennis
(tennis) Sabine Lisicki (a.k.a. Katharina) 1989-
Notable Politicians and Statespeople:
1 politician
Ingrid van Engelshoven (a.k.a. Katharina) 1966-
Olympic Medalists:
1 bronze
(bronze) Käthe Krauss 1936 100 m
Other Royalty:
1 princess
Friederike of Prussia (a.k.a. Katharina) 1767-1820 Prussia
Saints:
1 blessed
Blessed Anna Katharina Emmerick 1774-1824