Pourtalès or de Pourtalès may refer to:

People Arthur de Pourtalès, Comte de Pourtalès-Gorgier (1844–1928), Swiss-French diplomat Bernard de Pourtalès (Bernard Alexandre George Edmond de Pourtalès, 1870–1935), Swiss infantry captain and sailor who competed in the 1900 Summer Olympics Friedrich von Pourtalès (1853–1928), German diplomat who served as Ambassador to the Russian Empire Guy de Pourtalès (1881–1941), Swiss author Hélène de Pourtalès (born Helen Barbey, 1868–1945), American-born sailor who competed for Switzerland in the 1900 Summer Olympics Hermann de Pourtalès (Hermann Alexander de Pourtalès, 1847–1904), Swiss sailor who competed in the 1900 Summer Olympics James-Alexandre de Pourtalès, Comte de Pourtalès-Gorgier (1776–1855), Swiss-French banker, diplomat, and art collector Jean de Pourtales (born 1965), French racing driver Louis François de Pourtalès (1824–1880), American naturalist Marie de Pourtalès–Gorgier (born Marie Boozer, 1846–1908), American socialite, countess and diplomatic spouse Mélanie de Pourtalès (born Mélanie Renouard de Bussière, 1836–1914), French salonnière and courtier

Other uses Château de Pourtalès, historic chateau in Bas-Rhin, Alsace, France. Hôtel de Pourtalès, historic building in Paris, France