Princess Louise may refer to:
- People
- Princess Louise, Duchess of Argyll, 1848–1939, the sixth child and fourth daughter of Queen Victoria of the United Kingdom
- Princess Louise, Princess Royal and Duchess of Fife, 1867–1931, the third child and the eldest daughter of King Edward VII of the United Kingdom and Queen Alexandra
- Lady Louise Windsor, born 2003, the elder child and only daughter of Prince Edward, Earl of Wessex and Sophie, Countess of Wessex, is sometimes thought to be "legally" a princess
- Princess Louise of Denmark (1726–1756), daughter of Christian VI of Denmark and wife of Ernest Frederick III, Duke of Saxe-Hildburghausen
- Princess Louise of Denmark (1750–1831), daughter of Frederick V of Denmark and wife of Landgrave Charles of Hesse-Kassel
- Princess Louise Charlotte of Denmark (1750–1831), daughter of Frederick, Hereditary Prince of Denmark, and wife of Landgrave William of Hesse-Kassel
- Princess Louise Auguste of Denmark (1771-1843), daughter of Christian VII of Denmark and wife of Frederick Christian II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg
- Princess Louise of Denmark (1875–1906), daughter of Frederick VIII of Denmark and wife of Prince Friedrich Georg of Schaumburg-Lippe
- Louisa Maria Teresa Stuart (1682-1712), known in French as Louise-Marie
- Princess Louise-Marie of Belgium, born 1858
- Princess Louise of Belgium (b. 2004)
- Louise Mountbatten, 1889–1965, born Princess Louise of Battenberg, second wife of King Gustav VI Adolf of Sweden and Princess of Sweden
- See Louise of Prussia (disambiguation) for several Princess Louise in the Prussian Royal Family
- Other uses
- Princess Louise was one of the GWR 3031 Class locomotives that were built for and run on the Great Western Railway between 1891 and 1915
- Princess Louise (pub), historic public house, London
Famous quotes containing the words princess and/or louise:
“How doth the city sit solitary, that was full of people! how is she become as a widow! she that was great among the nations, and princess among the provinces, how is she become tributary!”
—Bible: Hebrew Lamentations 1:1.
Said of Jerusalem.
“I sometimes think I was born to live up to my name. How could I be anything else but what I am having been named Madonna? I would either have ended up a nun or this.”
—Madonna [Madonna Louise Ciccione] (b. 1959)