Galliani is a surname. Notable people with the surname include:
Adrian Galliani (born 2001), American soccer player; grandson of Adriano Adriano Galliani (born 1944), Italian entrepreneur and football executive Andrea Galliani (born 1988), Italian male volleyball player Emanuela Galliani, Italian amateur astronomer Guillermo Arbulú Galliani (1921–1997), Peruvian general and politician
See also Gagliani, surname Galliane, part of a musical instrument Galliano (disambiguation)