Namesakes
Notable Actors and Entertainers:
8 actors, 1 presenter
Sara Montiel (a.k.a. Antonia) 1928-2013 
Kitty Courbois (a.k.a. Antonia) 1937-2017
Diane Varsi (a.k.a. Antonia) 1938-1992
Stockard Channing (a.k.a. Antonia) 1944-
Nia Vardalos 1962-
Claire Forlani (a.k.a. Antonia) 1971-
Tooske Ragas (a.k.a. Antonia) 1974-
Gaby Hoffmann (a.k.a. Antonia) 1982-
Antonia Campbell-Hughes 1982-
Notable Filmmakers:
1 screenwriter/director
Nia Vardalos 1962-
Notable Musicians:
2 singers
Sara Montiel (a.k.a. Antonia) 1928-2013
Toni Basil (a.k.a. Antonia) 1943-
Notable Scientists and Inventors:
1 astronomer
Antonia Maury 1866-1952
Notable Writers:
2 authors
Tonke Dragt 1930-2024
A. S. Byatt (a.k.a. Antonia) 1936-
Olympic Medalists:
2 silver
(silver) Tineke Bartels (a.k.a. Antonia) 1992; 1996 equestrian
(silver) Antonia Moraiti 2004 water polo
Other Royalty:
1 princess, 1 queen consort
Fabiola of Belgium (a.k.a. Antonia) 1960-1993 Belgium
Theodora of Liechtenstein (a.k.a. Antonia) 2004- Liechtenstein
Saints:
4 blessed
Blessed Antonia of Florence 1401-1472
Blessed Antonia of Brescia 1407-1507
Blessed María Antonia Bandrés Elósegui 1898-1919
Blessed Antonia Mesina 1919-1935