San Cayetano, Rural settlement in Riachuelo municipality, Argentina.

San Cayetano is a settlement in the Capital department of Corrientes province, Argentina, administered by the Riachuelo municipality about 6 km away. Provincial Route 8 links it west to Riachuelo and east to San Luis del Palmar. It has 972 inhabitants (INDEC, 2022) and a penal unit.

The chapel dedicated to San Cayetano was built in 1937 and raised to parish status in 1965. The settlement depends administratively on the municipality of Riachuelo, about 6 km away, and residents have repeatedly sought to form their own municipality to secure essential services. The 2022 census recorded 972 inhabitants, up 41.3% from 617 in 2010.

The settlement's name comes from Saint Cajetan, to whom the local chapel is dedicated. Each year the parish holds its patronal festival, when pilgrims from the surrounding area come to San Cayetano. The chapel was built in 1937 and became a parish in 1965.

Visitors should know that this is a small settlement where most services are available in nearby Riachuelo town. The best time to visit is during daylight hours when the church and community are active.

A correctional facility is located within the settlement area, creating an unexpected mix of village life and institutional presence. Local residents have expressed interest in becoming an independent municipality to manage their own services.