Siniec [ˈɕiɲɛt͡s] is a village in the administrative district of Gmina Srokowo, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland, close to the border with the Kaliningrad Oblast of Russia. It lies approximately 9 kilometres (6 mi) south of Srokowo, 11 km (7 mi) north-east of Kętrzyn, and 77 km (48 mi) north-east of the regional capital Olsztyn.