Zilli is an Italian surname. Notable people with the surname include:
Aldo Zilli (born 1956), Italian-British celebrity chef Carlos Pedro Zilli (1954–2021), Brazilian–Guinea-Bissauan bishop Emma Zilli (1864–1901), Italian soprano Ishtiyaq Ahmad Zilli (born 1942), Indian scholar Massimo Zilli (born 2002), Italian footballer Mehmed Zilli, the real name of Ottoman traveler Evliya Çelebi (1611 – ) Nina Zilli (born 1980), Italian singer-songwriter
See also Zilli (disambiguation)