The patron of Fordongianus is Saint Peter, celebrated on 29 June; the municipality holds the Chiesa dei Santi Pietro e Archelao.
The municipality also holds the Terme di Fordongianus, the Chiesa di San Lussorio, the Nuraghe Santa Maria 'e Lodduo, the Domus de janas of Is Domigheddas and the archaeological area of Su Casteddu Ecciu.