Avion is a variant form of the Hebrew and English name Avi.
The name Avionne is a variant form of Avion.
Avion is not widely used as a baby name for boys. It is not in the top 1000 names.
Baby names that sound like Avion include Avian, Avionne, Evgeney, Evgenie, Evgenii, Evgueni (Russian), Evguenni (Russian), Evian, Evien, Evion, Epifanie, Epifany, Efigenio, Ephigenio, Ebben, Ebon, Efen, Effon, Evan (Scottish, English, and Welsh), and Evon.