Romanówka [rɔmaˈnufka] is a village in the administrative district of Gmina Siemiatycze, within Siemiatycze County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) north-east of Siemiatycze and 73 km (45 mi) south of the regional capital Białystok.