Princess Louise

Princess Louise may be any of:
* Princess Louise (ship) single-funnel coastal liner that was a docked restaurant ship in Los Angeles Harbor for some years.
* 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 (also titled "Princess Louise of Wessex")
*Princess Louise of Denmark and Norway 1750, daughter of Frederik V of Denmark, married to Landgrave Charles of Hesse-Kassel (or Hesse-Cassel).
*Princess Louisa Maria Stuart (1682-1712), known in French as Louise-Marie
*Princess Louise-Marie of Belgium, born 1858
* Princess Louise of Belgium, born 2004
* Louise Mountbatten, 1889–1965, born Princess Louise of Battenberg, second wife of King Gustav VI Adolf of Sweden and Princess of Sweden.
* Princess Louise, public house, Holborn, London, One of the great historic pubs of London, famous for its remarkable interior
* See Louise of Prussia (disambiguation) for several Princess Louise in the Prussian Royal Family