Namesakes
English and British Kings and Queens:
1 protector
Protector Oliver Cromwell 1653-1658 
Fictional Characters from Books:
1 hero
Oliver Twist 1838 Oliver Twist
Fictional Characters from Television:
3 characters, 1 villain
Oliver Tyler 1969 The Brady Bunch
Oliver Browne 1996 Suddenly Susan
Oliver Wells 2005 Bones
Oliver Thredson 2011 American Horror Story
Hall-of-Famers:
1 football, 1 ice hockey
(ice hockey) Oliver Seibert 1961
(football) Ollie Matson (a.k.a. Oliver) 1972
Harry Potter Characters:
1 character
Oliver Wood
Nobel Prize Winners:
2 economics, 1 medicine
(medicine) Oliver Smithies 2007
(economics) Oliver E. Williamson 2009
(economics) Oliver Hart 2016
Notable Actors and Actresses:
3 actors
Oliver Hardy 1892-1957
Oliver Platt 1960-
Olly Alexander (a.k.a. Oliver) 1990-
Notable Athletes:
4 soccer, 1 football, 1 ice hockey, 1 rugby, 1 tennis
(ice hockey) Oliver Seibert 1881-1944
(football) Ollie Matson (a.k.a. Oliver) 1930-2011
(tennis) Oliver Marach 1980-
(soccer) Oliver Kirch 1982-
(soccer) Oliver Bozanić 1989-
(rugby) Joe Launchbury (a.k.a. Oliver) 1991-
(soccer) Oliver Norwood 1991-
(soccer) Oliver Zelenika 1993-
Notable Businesspeople:
1 businessperson
Roy Disney (a.k.a. Oliver) 1893-1971
Notable Filmmakers:
1 director
Oliver Stone 1946-
Notable Hosts and Presenters:
1 television
(television) Oliver Mlakar 1935-
Notable Musicians:
2 singers
Oliver Dragojević 1947-2018 pop
Olly Murs (a.k.a. Oliver) 1984- pop
Notable Writers:
1 author
Oliver Goldsmith 1728-1774
Olympic Medalists:
2 bronze, 2 gold, 2 silver, 1 bronze/silver, 1 silver/gold
(bronze) Oliver Horn 1924 water polo
(gold) Oliver Macdonald 1924 4x400 m relay
(silver/gold) Olivér Halassy 1928; 1932; 1936 water polo
(bronze/silver) Ollie Matson (a.k.a. Oliver) 1952 400 m; 4x400 m relay
(bronze) Oliver Lampe 1996 swimming - 4x200 m freestyle relay
(gold) Oliver Korn 2008; 2012 field hockey
(silver) Carl Hagelin (a.k.a. Oliver) 2014 ice hockey
(silver) Oliver Ekman-Larsson 2014 ice hockey
Oscar Award Winners:
1 director
(director) Oliver Stone 1986; 1989 Platoon; Born on the Fourth of July
Other Leaders:
1 prime minister
Prime Minister Oliver Spasovski 2020 North Macedonia
Pulitzer Award Winners:
1 winner
Oliver La Farge 1930 Laughing Boy
Saints:
2 saints
Saint Oliver ?-1050
Saint Oliver Plunkett 1629-1681
Shakespearian Characters:
2 characters
Oliver de Bois As You Like It
Sir Oliver Martext As You Like It
Title Characters:
2 books, 2 songs, 1 book/musical/film, 1 film
(book/musical/film) Oliver Twist 1838; 1960; 1968 Oliver Twist; Oliver!
(song) Oliver 1979 Oliver's Army
(film) Oliver 1988 Oliver & Company
(song) Oliver 2011 Oliver Boy (All Of Our Boys)
(book) Oliver 2013 Unravelling Oliver
(book) Oliver 2015 Emmy & Oliver