Wasilków [vaˈɕilkuf] (Belarusian: Васількаў) is a city in north-eastern Poland, about 8 km north of Białystok, with 8,751 inhabitants (2004). It is situated in Białystok County, in Podlaskie Voivodeship (since 1999, having previously been in Białystok Voivodeship from 1975 to 1998).