Deo

Deo may refer to:

• Deo, a synonym of the Greek goddess Demeter.
• Deo, Central African Republic
• Western Economic Diversification Canada, (French: Diversification de l'économie de l'Ouest Canada), a Canadian government agency
• Deutsche Evangelische Oberschule, a German school in Cairo, Egypt.
• Deo/Dewu/Deu, a boss in the MMORPG Maplestory.