Nu

Nu could mean:

• Nu, a letter in the Greek alphabet: lowercase ν, uppercase Ν
• Nu (kana), the Japanese characters ぬ and ヌ
• NU (sound project)
• Nu (mythology), the male form of the Egyptian goddess Naunet
• Nu (Chrono Trigger), a fictional species from the video game Chrono Trigger
• .nu, the Internet top-level domain for Niue
• Nu people, a Chinese ethnic group
• Nu river or Salween River
• U Nu or Mr. Nu, a former Burmese prime minister
• Nǀu language, a moribund Tuu (Khoisan) language spoken by the Nǁnǂe people in South Africa
• Nu Gundam, in the anime Mobile Suit Gundam: Char's Counterattack
• "Nu"? is a Yiddish word meaning "so?" now also absorbed into English meaning "so, what's happening?" or "so, what do you say?"

In universities:

• Naresuan University, a public university in Phitsanulok, Thailand
• Niagara University, a Roman Catholic university in Niagara County, New York
• Northwestern University, an American research institution in Evanston, Illinois
• Northeastern University, an American research university in Boston, Massachusetts
• Norwich University, a private American military and traditional university in Northfield, Vermont
• National University (Philippines), a private, non-sectarian university in Manila, Philippines

In other abbreviations:

• Nunavut (NU), the largest and newest territory in the territories of Canada
• Nahdatul Ulama (NU), an Islamic group in Indonesia
• Nusselt number (Nu), a dimensionless heat transfer ratio
• Nucellar embryony (Nu+), a form of seed reproduction that occurs in certain plant species
• Bhutanese ngultrum (Nu.), Bhutan's official currency

In codes:

• Japan Transocean Air IATA airline designator
• Nicaragua NATO country code
• Niue ISO 3166 country code

In music:

• Nu metal, a fusion genre of Heavy Metal