Namesakes
American First Ladies:
1 first lady
Betty Ford 1974-1977 
Emmy Award Winners:
1 actress
(actress) Betty White 1986 The Golden Girls
Fictional Characters from Books:
1 character
Betty Cooper 1942 Archie Comics
Fictional Characters from Movies:
2 characters
Betty Boop 1930 Dizzy Dishes
Betty Sizemore 2000 Nurse Betty
Fictional Characters from Plays and Musicals:
1 character
Betty 1915 Betty
Fictional Characters from Song Titles:
1 character
(character) Betty 1977 Black Betty
Fictional Characters from Television:
6 characters
Betty Rubble 1959 The Flintstones
Betty Rhomer 2003 Dead Like Me
Betty Applewhite 2004 Desperate Housewives
Betty Suarez 2006 Ugly Betty
Betty Draper 2007 Mad Men
Betty Cooper 2017 Riverdale
Hurricanes and Tropical Storms:
1 hurricane
Hurricane Betty 1972
Nobel Prize Winners:
1 peace
(peace) Betty Williams 1976
Notable Activists and Revolutionaries:
1 activist
(activist) Betty Williams 1943-2020
Notable Actors and Entertainers:
14 actors
Betty Compson 1897-1974
Carsta Löck (a.k.a. Betty) 1902-1993
Betty Field 1916-1973
Betty Grable 1916-1973
Betty Garrett 1919-2011
Betty Hutton 1921-2007
Liz Smith (a.k.a. Betty) 1921-2016
Betty White 1922-2021
Gail Russell (a.k.a. Betty) 1924-1961
Gail Davis (a.k.a. Betty) 1925-1997
Julie Adams (a.k.a. Betty) 1926-2019
Kathleen Crowley (a.k.a. Betty) 1929-2017
Betty Buckley 1947-
Betty Gilpin 1986-
Notable Athletes:
1 gymnastics
(gymnastics) Betty Okino 1975-
Notable Musicians:
2 singers, 1 musician/singer
Betty Everett 1939-2001
Betty Buckley 1947-
Betty Wright 1953-2020
Olympic Medalists:
3 bronze, 1 gold, 1 silver, 1 silver/gold
(silver/gold) Betty Robinson 1928; 1936 100 m; 4x100 m relay
(bronze) Betty Gardner Taylor 1936 80 m hurdles
(silver) Betty McKinnon 1948 4x100 m relay
(gold) Betty Cuthbert 1956; 1964 100 m; 200 m; 4x100 m relay; 400 m
(bronze) Betty Okino 1992 gymnastics
(bronze) Betty Heidler 2012 hammer throw
Rock and Roll Hall-of-Famers:
1 musician
Betty Kelly 1995 Martha and the Vandellas