| Mielżyn | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Subdivision Type2: | County |
| Subdivision Name2: | Gniezno |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Witkowo |
| Pushpin Map: | Poland |
| Coordinates: | 52.3833°N 63°W |
| Population Total: | 660 |
Mielżyn is a village in the administrative district of Gmina Witkowo, within Gniezno County, Greater Poland Voivodeship, in west-central Poland.[1] It lies approximately 6km (04miles) south of Witkowo, 210NaN0 south-east of Gniezno, and 580NaN0 east of the regional capital Poznań.