Western Illinois University is a public university in Macomb, Illinois, US.

WIU may also refer to:

• Wadi International University, in Wadi al-Nasara, Syria
• Washington International University, an online unaccredited university
• Webber International University, in Babson Park, Florida, US
• Wiru language (ISO 639-3: wiu)
• Wiu, a Brazilian rapper

See also

• All pages with titles containing WIU
• All pages with titles beginning with WIU
• Wii U, Nintendo home video game console

This disambiguation page lists articles associated with the title WIU.
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