Saint Cronan may refer to a number of Irish saints:
Mo Chua of Balla, also known as Crónán mac Bécáin, a 7th-century Roman Catholic saint from western Ireland Saint Cronan Beg (Cronan the little), a 7th-century bishop of Aendrum in County Down Crónán of Roscrea, a 7th-century Roman Catholic saint known for his work in Roscrea, County Tipperary Saint Cronan Balnae (Cronan of Balla), a 7th-century successor to Mo Chua of Balla Saint Cronan of Tuamgraney, a 6th-century abbot associated with County Clare Saint Crónán Mochua of Clondalkin, a 6th/7th-century monk associated with Clondalkin