Avignonet (French pronunciation: [aviɲɔnɛ]) is a commune in the Isère department in the Auvergne-Rhône-Alpes region of south-eastern France.

The D110C goes east from Sinard to the dam through the south of the commune.

Avignonet station has rail connections to Toulouse, Carcassonne and Narbonne.

[3] The eastern border of the commune is entirely formed by the Drac river and the large artificial Monteynard lake formed by the dam on the Drac river.

In 1962 its population peaked at 951, which was due to construction workers for the Lac de Monteynard-Avignonet reservoir.