Namesakes
Fictional Characters from Books:
1 character
Augusta Elton 1815 Emma 
Harry Potter Characters:
1 character
Augusta Longbottom
Notable Actors and Entertainers:
2 actors
Augusta Dabney 1918-2008
Peggy Cummins (a.k.a. Augusta) 1925-2017
Notable Musicians:
1 singer
Yma Sumac (a.k.a. Augusta) 1922-2008
Olympic Medalists:
1 bronze
(bronze) Ruth Svedberg (a.k.a. Augusta) 1928 discus throw
Other Royalty:
1 empress consort/queen consort, 1 princess, 1 queen consort/empress consort
Charlotte of Prussia (a.k.a. Augusta) 1860-1919 Prussia
Augusta of Saxe-Weimar-Eisenach 1861-1888; 1871-1888 Prussia; German Empire
Auguste Viktoria of Schleswig-Holstein (a.k.a. Augusta) 1888-1918 German Empire; Prussia
Saints:
1 saint
Saint Augusta of Treviso ?-100
Swedish Kings and Queens:
1 queen
Queen Kristina (a.k.a. Augusta) 1632-1654