Oloron-Sainte-Marie (French pronunciation: [ɔlɔʁɔ̃ sɛ̃t maʁi] (listen); in Béarnese, Auloron e Senta-Maria, also spelt Aulouroû Sente-Marie) is a commune in the Pyrénées-Atlantiques department in the region of Béarn in south-western France.