NIU

• Northern Illinois University (DeKalb, Illinois, United States)
• Northland International University (Dunbar, Wisconsin, United States)
• National Intelligence University (Bethesda, Maryland, United States)
• National Ilan University (Yilan City, Yilan County, Taiwan)

Niu ({{zh|c=牛|p=Niú}}) means cattle (ox, bull, cow, etc.) in Chinese.

• Niu (surname), Chinese surname
• Ox (zodiac)
• Ox (Chinese constellation)
• Radical 93 or radical cow
• Niu Technologies, an electric scooter company headquartered in Changzhou, China

• Niue (ISO country code)
• Network Interface Unit (telecommunications); see Network Interface Device (NID)
• Niu Sale (born 1959), American football player
• David Niu, Australian-American rugby league footballer and coach
• Coconut, niu is the Hawaiian word

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