Castellani

Castellani is a surname of Italian origin meaning 'castellan'. Notable people with the name include:


 * Aldo Castellani (1874–1971), Italian pathologist and bacteriologist
 * Andrea Castellani (born 1972), former Italian rugby union player
 * Bruto Castellani (1881–1933), Italian film actor of the silent era
 * Carlo Castellani (1909–1944), Italian footballer
 * Cesar Castellani (died 1905), Maltese architect
 * Christopher Castellani (b. 1972), American novelist
 * Daniel Castellani (b. 1961), Argentine volleyball player
 * Daniela Castellani (born 1975), Italian softball player
 * Enrico Castellani (1930–2017), Italian artist
 * Giovanni Castellani (1888–1953), Italian archbishop and Vatican diplomat
 * Giulio Giacomo Castellani (1619–1694), Roman Catholic Bishop of Cagli
 * Gonzalo Pablo Castellani (born 1987), Argentine footballer
 * Ines Castellani Fantoni Benaglio, also known by the pseudonym of Memini (1849–1897, Azzate), Italian writer
 * Iván Castellani (born 1991), Argentine volleyball player
 * John Castellani (1926–2021), American basketball player
 * Leonardo Castellani (1899–1981), Argentine author, poet, and theologian
 * Leonardo Castellani (engraver) (1896–1984), Italian engraver mainly active depicting landscapes with chalcography
 * Mario Castellani (1906–1978), Italian comic actor
 * Massimo Castellani (born 1961), Italian diver
 * Michel Castellani, French politician
 * Raymond Castellani (born 1933), American actor and founder of the Frontline Foundation
 * Renato Castellani (1913-1985), Italian film director and screenwriter
 * Rocky Castellani (b. 1926), American boxer
 * Rudolph J. Castellani (b. 1964), American neuropathologist
 * Ryan Castellani (b. 1996), American baseball player
 * Stefano Castellani (born 1992), Italian footballer
 * Valentino Castellani (b. 1940), Italian professor and politician; mayor of Turin 1993–2001