Dubău is a commune in the Dubăsari District of Transnistria, Moldova. It is composed of two villages, Dubău and Goianul Nou. Since 1990, it has been administered as a part of the breakaway Pridnestrovian Moldavian Republic. In 2004, the commune had 724 inhabitants, of which 675 were Moldovans (93.23%), 31 were Ukrainians (4.28%) and 16 were Russians (2.21%).