Kałtki [ˈkau̯tki] is a village in the administrative district of Gmina Stare Juchy, within Ełk County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 2 kilometres (1 mi) north-west of Stare Juchy, 19 km (12 mi) north-west of Ełk, and 110 km (68 mi) east of the regional capital Olsztyn.