Święck Wielki (Polish pronunciation: [ˈɕfjɛnt͡sk ˈfjɛlkʲi]) is a village in the administrative district of Gmina Wysokie Mazowieckie, within Wysokie Mazowieckie County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 8 kilometres (5 mi) south-west of Wysokie Mazowieckie and 57 km (35 mi) south-west of the regional capital Białystok.