Sidonia or Sidonie is a feminine given name which may refer to:
People Sidonie of Bavaria (1488–1505), eldest daughter of Duke Albert IV of Bavaria-Munich, wife of the Elector Palatine Louis V Sidonie of Poděbrady (1449–1510), daughter of the King of Bohemia Sidonie of Saxony (1518–1575), Duchess of Brunswick-Lüneburg and Princess of Calenberg-Göttingen Sidonia von Borcke (1548–1620), Pomeranian noblewoman tried and executed for witchcraft Sidonie Dumas (born 1967), French film producer Sidonia Făgărășan, Romanian biological scientist Sidonie Goossens (1899–2004), English harpist Sidonie Grünwald-Zerkowitz (1852–1907), Austro-Hungarian writer, translator and fashion designer Sidonia Jędrzejewska (born 1975), Polish politician and Member of the European Parliament Sidonia Hedwig Zäunemann (1711–1740), German poet
Fictional characters Sidonia, a legendary Jewish priest's daughter - see Abiathar and Sidonia Sidonia of Brittany, heroine of the medieval roman Pontus and Sidonia Sidonie, in the 1874 French novel Fromont and Risler, also titled Sidonie Sidonie, in the 1686 opera Armide by Jean-Baptiste Lully Sidonie, in the 1777 opera Armide by Christoph Willibald Gluck, using the libretto of the earlier opera Sidonia, in Benjamin D'Israeli's novel Coningsby Tante Sidonia, in Willy Vandersteen's comics series Spike and Suzy Sidonia, heroine of Radclyffe Hall's novel A Saturday Life Sidonie, a key character in the films The Bitter Tears of Petra von Kant (Germany, 1972) and Peter Von Kant (France, 2022).
See also Sidonius (disambiguation) Sidonie-Gabrielle Colette (1873–1954), French novelist and performer Knights of Sidonia, a Japanese manga and anime series