Szynwałdzik [ʂɨnˈvau̯d͡ʑik] is a village in the administrative district of Gmina Łasin, within Grudziądz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 7 kilometres (4 mi) north of Łasin, 25 km (16 mi) east of Grudziądz, and 69 km (43 mi) north-east of Toruń.