It can refer to:
* The sound produced by a person speaking or singing.
* The ability to speak.
* A particular way of speaking or singing.
* A speaker or singer.
* A means of communication or expression.
For example:
* "J'aime sa voix" - I like his voice.
* "Elle a une voix douce" - She has a soft voice.
* "La voix de la raison" - The voice of reason.