U bar (majuscule: Ʉ, minuscule: ʉ) is a letter of the Latin alphabet, formed from U with the addition of a bar.

In the International Phonetic Alphabet, the lowercase ʉ is used to represent a close central rounded vowel. The Unicode codepoints areU+0289 ʉ​ latin small letter u bar (HTML: ʉ) and U+0244 Ʉ​ latin capital letter u bar (HTML: Ʉ).

It is also used in the alphabets of various languages, including:

• Arhuaco

• Comanche
• Melpa
• Mesem
• Sayula Popoluca
• African languages:
  • Budu
  • Ejagham
  • Fe'fe'
  • Koonzime and its dialect Badwe'e
  • Lendu
  • Limbum
  • Mangbetu
  • Mekaa
  • Yamba
  • Yemba