Vivaro Romano (Sabino: U Juaru) is a comune (municipality) in the Metropolitan City of Rome in the Italian region Lazio, located about 50 kilometres (31 mi) northeast of Rome.

Vivaro Romano borders the following municipalities: Carsoli, Oricola, Orvinio, Pozzaglia Sabina, Turania, Vallinfreda. Sights include the parish church of San Biagio, the sanctuary of Santa Maria Illuminata and remains of a castle.