Note that the close front rounded vowel unlikely appears in East Slavic, see above.

The close front rounded vowel, or high front rounded vowel, is a type of vowel sound, used in some spoken languages.

Distinctive features of GR include the use of iu for the close front rounded vowel spelled ü or simply u in Pinyin.

Swedish and Norwegian are the only two known languages where this feature is contrastive, having both endo- and exo-labial close front rounded vowels and close central rounded vowels, respectively.

The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol is H. It is a labialized (), and the semivowel counterpart of the close front rounded vowel .