Szustek [ˈʂustɛk] is a village in the administrative district of Gmina Skrwilno, within Rypin County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) north of Skrwilno, 12 km (7 mi) east of Rypin, and 67 km (42 mi) east of Toruń.