Princess Catherine may refer to:
- Catherine Dolgorukov, Princess Yurievskaya (1847–1922), wife of Tsar Alexander II of Russia
- Catherine Radziwill (1858–1941), wife of Prince Wilhelm Radziwiłł
- Princess Catherine Ivanovna of Russia (1915–2007), daughter of Prince John Constantinovich of Russia
- Princess Catherine of Württemberg (1821–1898), daughter of William I of Württemberg
- Catherine Hilda Duleep Singh (1871–1942), daughter of Duleep Singh
- Catherine, Princess of Asturias (1422–1424), daughter of King John II of Castile
- Princess Catherine Dashkova (1743–1810), wife of Prince Mikhail Dashkov
- Catherine Yurievskaya (1878–1959), daughter of Alexander II of Russia
- Princess Catherine Beatrice of Savoy (1636–1637), daughter of Victor Amadeus I, Duke of Savoy
- Catherine of Bosnia (princess) (1453–1???), daughter of King Thomas
- Catherine of Sweden, Countess Palatine of Kleeburg (1584–1638), daughter of King Charles IX of Sweden
- Catherine Bagration (1783–1857), daughter of Count Pavel Martinovich Skavronsky
- Catherine Caradja (1893–1993), daughter of Prince Radu Creţulescu
- Catherine Pavlovna of Russia (1788–1819), wife of William I of Württemberg
- Catherine of Brandenburg (1604–1649), daughter of John Sigismund, Elector of Brandenburg
- Catherine Stenbock (1535–1621), wife of King Gustav I
- Catherine, Princess of Wales (born 1982), wife of William, Prince of Wales
- Catherine Jagiellon (1526–1583), wife of John III of Sweden
- Catherine de Lorraine (1552–1596), daughter of Francis, Duke of Guise
- Catherine, Duchess of Braganza (1540–1614), wife of João I, Duke of Braganza
- Infanta Catherine, Duchess of Villena (1403–1439), wife of Infante Henry of Aragon
- Katherine Tudor (1503–1503), Daughter of Henry VII of England
- Catherine of York (1479–1527), daughter of Edward IV of England
- Katherine of England (1253–1257), daughter of Henry III of England