Stary Sumin [ˈstarɨ ˈsumin] is a village in the administrative district of Gmina Cekcyn, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 2 kilometres (1 mi) north of Cekcyn, 11 km (7 mi) east of Tuchola, and 52 km (32 mi) north of Bydgoszcz.