tuu

Tuu or TUU may refer to:

;As a name

• Tuu (band) (1980s–1999), British ambient band
• Tuu languages, spoken in Botswana and South Africa
• Xuan Tuu (1925–1996), Vietnamese writer properly addressed as Tuu
• Tuu, fictional homeworld of Lugians in the game Asheron's Call 2

;As an abbreviation

• Tasmania University Union, in Australia

;As a code

• Tabuk Regional Airport, in Saudi Arabia, IATA code TUU
• Tututni language by ISO 639-3 code