Massilia is the Latin name of the ancient Greek city Massalia, now Marseille.

Massilia may also refer to:

Massilia (bacterium), a genus of bacteria Massilia, a 2014 album by Massilia Sound System Massilians, Gaulish followers of Pelagius Massilianism, an earlier name of Semi-Pelagianism , ship of the Compagnie de Navigation Sud-Atlantique

See also Marseille (disambiguation) Marsiglia (disambiguation)