Namesakes
Biblical Characters:
1 character
Augustus Caesar (m) Luke 2:1 
British Prime Ministers:
1 prime minister
Augustus FitzRoy 1768-1770
Fictional Characters from Television:
1 character
Roman Brady (a.k.a. Augustus) 1965 Days of Our Lives
Harry Potter Characters:
1 character
Augustus Rookwood
Notable Actors and Entertainers:
3 actors
Stanley Holloway (a.k.a. Augustus) 1890-1982
Ben Vereen (a.k.a. Augustus) 1946-
Skyler Gisondo (a.k.a. Augustus) 1996-
Notable Artists:
1 photographer
James Van Der Zee (a.k.a. Augustus) 1886-1983
Notable Businesspeople:
1 businessperson
Augustus D. Juilliard 1836-1919
Notable Explorers and Adventurers:
1 explorer
James Augustus Grant 1827-1892
Notable Musicians:
1 singer
Stanley Holloway (a.k.a. Augustus) 1890-1982
Notable Politicians and Statespeople:
1 politician
Garret Hobart (a.k.a. Augustus) 1844-1899
Olympic Medalists:
2 bronze, 1 gold, 1 silver/bronze/gold
(bronze) Augustus Goessling 1904 water polo
(gold) Victor d'Arcy (a.k.a. Augustus) 1912 4x100 m relay
(silver/bronze/gold) Willis A. Lee (a.k.a. Augustus) 1920 shooting
(bronze) Gus Pope 1920 discus throw
Other Royalty:
3 princes
August Wilhelm of Prussia (a.k.a. Augustus) 1722-1758 Prussia
August Ferdinand of Prussia (a.k.a. Augustus) 1730-1813 Prussia
August of Prussia (a.k.a. Augustus) 1779-1843 Prussia
Polish High Dukes and Kings:
3 kings
King August II the Strong (a.k.a. Augustus) 1697-1704; 1709-1733
King August III the Saxon (a.k.a. Augustus) 1734-1763
King Stanisław II August (a.k.a. Augustus) 1764-1795
Roman and Byzantine Emperors:
1 emperor
Emperor Gaius Julius Caesar (a.k.a. Augustus) 27 BC-14
Shakespearian Characters:
1 character
Augustus Caesar; Octavius Caesar Antony and Cleopatra; Julius Caesar