Szarnoś is a village in the administrative district of Gmina Świecie nad Osą, within Grudziądz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) north-east of Świecie nad Osą, 25 km (16 mi) east of Grudziądz, and 60 km (37 mi) north-east of Toruń.