Trofimówka [trɔfiˈmufka] (Belarusian: Трафімоўка) is a village in the administrative district of Gmina Janów, within Sokółka County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 2 kilometres (1 mi) north of Janów, 21 km (13 mi) north-west of Sokółka, and 41 km (25 mi) north of the regional capital Białystok.