The patron saint of Teano is Saint Paris, celebrated on 5 August together with four co-patrons: Saint Reparata, Saint Amasius, Saint Terentianus and Saint Urban.
Every year, on 25 April, in the hamlet of San Marco di Teano, a procession dedicated to Saint Mark the Evangelist is held. The town holds the Basilica of San Paride ad Fontem and the Cathedral of Teano, as well as the Roman Theatre and the Archaeological Museum of Teanum Sidicinum.