The patron of Ussaramanna is Saint Quiricus (San Quirico), celebrated on 15 July; the municipality holds the church of San Quirico Martire.
The village's main feast is on 10 August, Saint Lawrence the martyr, during which many typical folk events are held; on 9, 10 and 11 August the Comitato di San Lorenzo brings in musical groups of various kinds. The municipality also holds the Chiesa San Lorenzo and the nuraghi San Pietro, Sirissi and su Senzu.