IUE may refer to:

• International Ultraviolet Explorer
• Indiana University East
• Niue International Airport (IATA code)
• International Union of Electrical Workers

• Markel Crawford
• Markel Etxeberria
• Markelfingen
• Markelfinger Winkel
• Mark Elgar
• Mark Eli Kalderon
• Markel Insurance Fillies' Stakes
• Mark Eliot Zuckerberg
• Markell
• Markell, Charles
• Markelle
• Markelle Fultz
• Mark Elliott (boxer)
• Mark Elliot Zuckerberg
• Mark Ellis (author)
• Mark Ellis (lawyer)
• Mark Ellis (writer)
• Markell Jones
• Markelova
• Mark Emerson
• Mark Emke
• Mark Emmerich
• Markendeya Purana
• Mark E. Neely, Jr.
• Mark Engel