Mielnica Duża [mjɛlˈnit͡sa ˈduʐa] is a village in the administrative district of Gmina Skulsk, within Konin County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) east of Skulsk, 31 km (19 mi) north of Konin, and 99 km (62 mi) east of the regional capital Poznań.