Castiglioni is an Italian surname. People with this surname include:
Giannino Castiglioni (1884–1971), Italian artist Achille Castiglioni (1918–2002), Italian architect and industrial designer Livio Castiglioni (1911–1979), Italian architect and industrial designer Pier Giacomo Castiglioni (1913–1968), Italian architect and industrial designer Francesco Saverio Castiglioni (1761–1830), Pope Pius VIII Goffredo da Castiglione / Godfrey Castiglioni (died 1241), Pope Celestine IV St. Buono Castiglioni (818–822), Bishop of Milan St. Honoratus Castiglioni (568–572), Bishop of Milan Teresa Ciceri Castiglioni (1750–1821) was an Italian inventor, agronomist Arturo Castiglioni (1874–1952), Italian-American medical historian Camillo Castiglioni (1879–1961), Austrian financier and banker Consuelo Castiglioni, b. 1959, Chilean-Italian fashion designer Luis Alberto Castiglioni Soria, former vice president of Paraguay Niccolò Castiglioni (1932–1996), Italian composer and pianist
See also Palazzo Castiglioni (disambiguation) The Castiglioni Brothers (film) Castigliano Castiglione (disambiguation) Castiglione (surname) Via Fratelli Castiglioni (street in Milan named after Achille, Livio, and Pier Giacomo Castiglioni)