U With Diaeresis

U with diaeresis may refer to:

• U with diaeresis (Cyrillic) (Ӱ, ӱ) - an Altay, Gagauz, Khakas, Khanty and Mari letter
• U with diaeresis (Latin) (Ü, ü) - an Estonian, Romani, Hungarian, Turkish, Azerbaijani, Turkmen letter