Greater Poland dialect group (Polish: dialekt wielkopolski) is a dialect group of the Polish language used in the Greater Poland.

It is used in the area, on the south from the cities of Koło, Kalisz, Ostrów Wielkopolski, Rawicz, and Babimost, from the west from Międzychód and Krzyż Wielkopolski, and along the line of the rivers of Noteć and Warta.

[1] Descended from the Western Slavic language spoken by the Polans, the dialects are:[2] Features that can be found in various intensities and distributions in the region include:[3]