Mieleszyn, Greater Poland Voivodeship

Mieleszyn is a village in Gniezno County, Greater Poland Voivodeship, in west-central Poland. It is the seat of the gmina (administrative district) called Gmina Mieleszyn. It lies approximately 17 km north-west of Gniezno and 50 km north-east of the regional capital Poznań.

During the German occupation (World War II), Mieleszyn was one of the sites of executions of Poles, carried out by the Germans in 1939 as part of the Intelligenzaktion.