Dubno is a city in the Rivne Oblast of western Ukraine.

Dubno may also refer to: Dubno, Podlaskie Voivodeship, Poland Dubno (Příbram District), a village and municipality in the Central Bohemian Region, Czech Republic Dubno, Rimavská Sobota District, a village in the Banská Bystrica Region, Slovakia Dubno Raion, Rivne Oblast, Ukraine