Namesakes
Austrian Dukes and Emperors:
1 archduchess
Archduchess Maria Theresia (a.k.a. Theresa) 1740-1780 
Bohemian Kings:
1 queen
Queen Marie Terezie (a.k.a. Theresa) 1740-1741; 1743-1780
British Prime Ministers:
1 prime minister
Theresa May 2016-2019
Emmy Award Winners:
1 actress
(actress) Nanette Fabray (a.k.a. Theresa) 1957 Caesar's Hour
Fictional Characters from Television:
1 character
Theresa Donovan 1965 Days of Our Lives
Hall-of-Famers:
2 basketball
(basketball) Anne Donovan (a.k.a. Theresa) 1995
(basketball) Theresa Grentz 2022
Hungarian Kings and Queens:
1 queen
Queen Mária Terézia (a.k.a. Theresa) 1740-1780
Nobel Prize Winners:
1 medicine
(medicine) Gerty Cori (a.k.a. Theresa) 1947
Notable Actors and Entertainers:
6 actors
Polly Moran (a.k.a. Theresa) 1883-1952
Lucille Bliss (a.k.a. Theresa) 1916-2012
Nanette Fabray (a.k.a. Theresa) 1920-2018
Joan Leslie (a.k.a. Theresa) 1925-2015
Theresa Randle 1964-
Teri Polo 1969-
Notable Athletes:
1 basketball
(basketball) Anne Donovan (a.k.a. Theresa) 1961-2018
Notable Musicians:
1 musician, 1 singer
Vicki Peterson (a.k.a. Theresa) 1958-
Una Healy (a.k.a. Theresa) 1981-
Notable Scientists and Inventors:
1 biologist
Gerty Cori (a.k.a. Theresa) 1896-1957
Notable Writers:
1 author
Mary Higgins Clark (a.k.a. Theresa) 1927-2020
Olympic Medalists:
4 gold, 1 bronze, 1 silver
(bronze) Theresa Weld 1920 figure skating
(gold) Janet Moreau (a.k.a. Theresa) 1952 4x100 m relay
(silver) Pamela Jiles (a.k.a. Theresa) 1976 4x400 m relay
(gold) Tessa Sanderson 1984 javelin throw
(gold) Theresa Andrews 1984 swimming - 100 m backstroke; swimming - 4x100 m medley relay
(gold) Anne Donovan (a.k.a. Theresa) 1984; 1988 basketball
Saints:
1 blessed
Blessed Maria Teresa Ledóchowska (a.k.a. Theresa) 1863-1922