M̃

M̃ (majuscule: M̃, minuscule: m̃) is a Latin M with a diacritical tilde. It is or was used as a grapheme in some languages of Vanuatu, such as North Efate, South Efate and Namakura, to represent a [ŋm]. It is also used in the Yanesha and Lithuanian languages. It is also used in the transliteration of the Lycian script.

The letter was introduced by missionaries and has been in use for over a hundred years.