Anusin [aˈnuɕin] is a settlement in the administrative district of Gmina Wyrzysk, within Piła County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) west of Wyrzysk, 33 km (21 mi) east of Piła, and 86 km (53 mi) north of the regional capital Poznań.