Nūn ġunnā, (Urdu: {{nq|نُون غُنَّہ; Unicode:) is an additional letter of the Arabic script not used in the Arabic alphabet itself but used in Urdu, Saraiki, and Shahmukhi Punjabi[1] to represent a nasal vowel, pronounced as /link/. In Shahmukhi, it is represented by the diacritic .It is a nasal vowel used in many Indo-Aryan languages and Iranian languages. It is represented by the International Phonetic Alphabet by the sound of (IPA|◌̃). It is a dotless noon. In Saraiki and Balti, nūn ġunnā is sometimes written as ن٘.
The following languages use nūn ġunnā: