Mierzewo [mjɛˈʐɛvɔ] is a village in the administrative district of Gmina Niechanowo, within Gniezno County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 8 kilometres (5 mi) south of Niechanowo, 16 km (10 mi) south of Gniezno, and 51 km (32 mi) east of the regional capital Poznań.