Provençal dialect
The "Auenion" of the 1st century BC was Latinized to "Avennĭo" (or "Avēnĭo"), "-ōnis" in the 1st century and is written "Avinhon" in classic Occitan spelling or "Avignoun" in Mistralian spelling. The inhabitants of the commune are called "avinhonencs" or "avignounen" in both standard Occitan and Provençal dialect.