De Giuli is an Italian surname.
Notable people Clémentine de Giuli (born 1993), Swiss archer Gian Vincenzo de' Giuli (died 1672), Italian Catholic bishop John DeGiuli (born 1961), Canadian rock singer and member of Honeymoon Suite Teresa De Giuli Borsi (1817–1877), Italian opera singer Valentine de Giuli (born 1990), Swiss archer