Gierłachowo [ɡʲɛrwaˈxɔvɔ] is a village in the administrative district of Gmina Bojanowo, within Rawicz County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 5 kilometres (3 mi) east of Bojanowo, 9 km (6 mi) north of Rawicz, and 80 km (50 mi) south of the regional capital Poznań.