Giussani may refer to:

• Bruno Giussani: Swiss writer.
• Luigi Giussani: Italian priest and founder of Communion and Liberation.
• Angela and Luciana Giussani, who created the famous comics character Diabolik.

• Duda/Doubt
• Duda-Epureni
• Dudahi
• Dudahi Bazar
• Dudahi bazar
• Dudaica
• Duda Ivković
• Du Dajin
• Dudaktan Kalbe
• Dudaktan kalbe
• Dudaktan kalbi
• Duda Machado
• Duda Mendonca
• Duda Mica River
• Dudanga
• Dudangya
• Duda-patak
• Duda Ranch
• Dudar, Granada
• Duda River (Mureș)
• Duda River (Pruteț)
• Dudarova
• Dudar, Spain
• Dudaryk (choir)
• Dudas