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A with tilde
à ã
Usage
Writing system	Latin script
Language of origin	Portuguese Guaraní Kashubian Taa Aromanian Vietnamese Greenlandic (obsolete) Hindi[1]
In Unicode	U+00C3, U+00E3
History
Development	à ã
Time period	16th century to present
Other
Writing direction	Left-to-Right
This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

A with tilde (majuscule: Ã, minuscule: ã) is a letter of the Latin alphabet formed by addition of the tilde diacritic over the letter A. It is used in Portuguese, Guaraní, Kashubian,^[2] Taa, Aromanian, and Vietnamese. In the past, it was also used in Greenlandic.

In Portuguese, it represents a nasal near-open central vowel ([ɐ̃]), though it varies from near-open to mid-central vowel according to dialect. It also appears as a part of the diphthongs ãe, pronounced as /ɐ̃j̃/, and ão, pronounced as /ɐ̃w̃/.

In Kashubian, the letter is generally pronounced as nasalized open front unrounded vowel ([ã]). In the dialect present in counties of Puck and Wejherowo, it is pronounced as nasalized open-mid front unrounded vowel ([ɛ̃]). Its the 3rd letter of the Kashubian alphabet.^[2]

In Guaraní and Taa, it is pronounced as nasalized open front unrounded vowel ([ã]).

In Aromanian, it is pronounced as mid-central vowel ([ə]) or close central unrounded vowel ([ɨ]).

In Vietnamese, it is pronounced as long open front unrounded vowel ([aː]) in a high breaking-rising tone.

It is also used as a phonetic symbol in the International Phonetic Alphabet, where its lower case (ã), represents the nasalized open front unrounded vowel.

Formerly, the letter was also used in the Greenlandic to represent long open front unrounded vowel ([aː]) next to a geminated consonant, but now it is replaced with Aa.

The letter is also used in Belter Creole, a constructed language made by Nick Farmer for The Expanse television sci-fi series. In the language, it represents the nasalized near-open front unrounded vowel ([æ̃]) sound, for example in the word shãsa, which means chance.