Nowiny Kasjerskie [nɔˈvinɨ kasˈjɛrskʲɛ] is a village in the administrative district of Gmina Knyszyn, within Mońki County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately 9 kilometres (6 mi) east of Knyszyn, 18 km (11 mi) south-east of Mońki, and 26 km (16 mi) north of the regional capital Białystok.