Ciolanu Monastery is a monastery of Eastern Orthodox monks, located in Tisău commune, Buzău County, Romania. It was erected around 1570 by Dumitru Ciolanu, a boyar from Buzău, whose name it bears, together with the Sorescu boyar family from the nearby Vernești commune.
The compound contains a museum with icons painted by Gheorghe Tattarescu, as well as religious artifacts.