- U (Wū 烏): Austroasiatic Languages
- Ü: Non-Sinitic Languages of Tibet
- Ü Tibetan: Tibeto-Burman Languages of China
- Über die Sprache und Weisheit der Indier: Etymology
- Üke: Non-Sinitic Languages of Tibet
- Ürümqi, Xīnjiāng: Neutral Tone
- Ü-Tsang Tibetan: see Central Tibetan
- Uhle, Max (1856–1944): Chinese Linguistics in the German Speaking World
- Uighur (Huíhú 回鶻): Altaic Elements in Chinese
- Uighur: see Uyghur
- Ulving, Tor (1916–2014): Chinese Linguistics in Scandinavia
- unaccusativity: Causative Constructions | Ergativity and Unaccusativity | Ergativity in Classical Chinese | Predi…