Zarośle Cienkie [zaˈrɔɕlɛ ˈt͡ɕɛŋkʲɛ] is a village in the administrative district of Gmina Zławieś Wielka, within Toruń County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 15 km (9 mi) north-west of Toruń and 30 km (19 mi) east of Bydgoszcz.