Namesakes
John Worthing (a.k.a. Ernest) 1895 The Importance of Being Earnest 
Fictional Characters from Television:
2 characters
Ernest Leclerc 1982 'Allo 'Allo!
Danny Tanner (a.k.a. Ernest) 1987; 2016 Full House; Fuller House
French Presidents and Prime Ministers:
3 prime ministers
(prime minister) Ernest Courtot de Cissey 1874-1875
(prime minister) Pierre Waldeck-Rousseau (a.k.a. Ernest) 1899-1902
(prime minister) Ernest Monis 1911
Hall-of-Famers:
2 baseball, 2 football, 2 ice hockey, 1 basketball
(ice hockey) Ernie "Moose" Johnson 1952
(football) Ernie Nevers 1963
(ice hockey) Ernie Russell 1965
(football) Ernie Stautner 1969
(basketball) Ernest Schmidt 1973
(baseball) Ernie Banks 1977
(baseball) Jud Wilson (a.k.a. Ernest) 2006
Most Valuable Players:
1 winner
Ernie Banks 1958; 1959 baseball
Nobel Prize Winners:
2 chemistry, 2 physics, 1 literature, 1 peace
(chemistry) Ernest Rutherford 1908
(physics) Ernest Lawrence 1939
(physics) Ernest Walton 1951
(literature) Ernest Hemingway 1954
(peace) Norman Borlaug (a.k.a. Ernest) 1970
(chemistry) John E. Walker (a.k.a. Ernest) 1997
Notable Actors and Entertainers:
1 actor, 1 comedian
Ernest Borgnine 1917-2012
Ernie Wise (a.k.a. Ernest) 1925-1999
Notable Athletes:
1 baseball, 1 golf
(baseball) Ernie Banks 1931-2015
(golf) Ernie Els 1969-
Notable Explorers and Adventurers:
1 explorer
Ernest Shackleton 1874-1922
Notable Musicians:
1 musician, 1 singer
Chubby Checker (a.k.a. Ernest) 1941-
Brad Whitford (a.k.a. Ernest) 1952-
Notable Politicians and Statespeople:
1 politician
Ron Paul (a.k.a. Ernest) 1935-
Notable Scientists and Inventors:
3 physicists, 1 biologist
Ernest Rutherford 1871-1937
Ernest Lawrence 1901-1958
Ernest Walton 1903-1995
Norman Borlaug (a.k.a. Ernest) 1914-2009
Notable Writers:
1 author
Ernest Hemingway 1899-1961
Olympic Medalists:
4 bronze, 3 gold, 3 silver, 1 silver/bronze
(gold) Alfred Tysoe (a.k.a. Ernest) 1900 5000 m team; 800 m
(bronze) Ernest Ebbage 1908 tug of war
(silver) Ernest Webb 1908; 1912 10 mile walk; 3500 m walk; 10 km walk
(bronze) Ernest Henley 1912 4x400 m relay
(bronze) Ernest Glover 1912 cross country team
(silver) Ernest Henry 1924 swimming - 4x200 m freestyle relay
(bronze) Ernest Rogez 1928 water polo
(silver) Ernie Harper 1936 marathon
(gold) Ernie Grunfeld 1976 basketball
(gold) Ernie Young 2000 baseball
(silver/bronze) Hayden Stoeckel (a.k.a. Ernest) 2008; 2012 swimming
Oscar Award Winners:
1 actor
(actor) Ernest Borgnine 1956 Marty
Other Leaders:
1 president
President Ernest Shonekan 1993 Nigeria
Other Royalty:
1 prince
Ernst Casimir of the Netherlands (a.k.a. Ernest) 1822 Netherlands
Pulitzer Award Winners:
2 literatures
(literature) Ernest Poole 1918 His Family
(literature) Ernest Hemingway 1953 The Old Man and the Sea
Rock and Roll Hall-of-Famers:
3 musicians
Ernie Isley 1992 The Isley Brothers
Brad Whitford (a.k.a. Ernest) 2001 Aerosmith
Ernest Wright 2009 Little Anthony and the Imperials
Saints:
1 saint
Saint Ernest ?-1148
Swiss Presidents:
1 president
Ernest Chuard 1924