Guiscardo is a given name and a surname. Notable people with the name include:
Given name Guiscardo Améndola (1906–1972), Uruguayan painter Guiscardo Suardi (died 1282), Roman Catholic prelate Teofilo Guiscardo Rossi di Montelera (1902–1991), Italian bobsledder Surname Liliana Guiscardo (born 1981), Argentine swimmer
Fictional characters Guiscardo, a character in the novella "The Tale of Ghismonda and Guiscardo" from The Decameron, see Sigismunda Mourning over the Heart of Guiscardo, painting
See also
Guiscard Giscard