Małe Gacno (Polish pronunciation: [ˈmawɛ ˈɡat͡snɔ]) is a village in the administrative district of Gmina Cekcyn, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 8 kilometres (5 mi) north-east of Cekcyn, 17 km (11 mi) east of Tuchola, and 55 km (34 mi) north of Bydgoszcz.