Tylwica [tɨlˈvit͡sa] is a village in the administrative district of Gmina Michałowo, within Białystok County, Podlaskie Voivodeship, in north-eastern Poland, close to the border with Belarus. It lies approximately 10 kilometres (6 mi) west of Michałowo and 23 km (14 mi) south-east of the regional capital Białystok.