Princess Eugénie or Princess Eugenia may refer to:
Eugénie Princess Victoria Eugenie of Battenberg (1887–1969), Queen of Spain Princess Eugénie of Bourbon (born 2007), daughter of Prince Louis Alphonse, Duke of Anjou Princess Eugénie of Greece and Denmark (1910–1989), daughter of Prince George of Greece and Denmark Princess Eugénie of Sweden (1830–1889), daughter of King Oscar I Princess Eugenie of York (born 1990), member of the British royal family
Eugenia Princess Eugenia of Hanover (born 2001), daughter of Heinrich Prinz von Hannover Princess Eugenia Maximilianovna of Leuchtenberg (1845–1925), granddaughter of Nicholas I of Russia Princess Eugenia Ruspoli (1861–1951), wife of Prince Enrico Ruspoli