| Mierzyn | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Łódź |
| Subdivision Type2: | County |
| Subdivision Name2: | Piotrków |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Rozprza |
| Pushpin Map: | Poland |
| Coordinates: | 51.25°N 60°W |
Mierzyn is a village in the administrative district of Gmina Rozprza, within Piotrków County, Łódź Voivodeship, in central Poland.[1] It lies approximately 7km (04miles) south-east of Rozprza, 170NaN0 south of Piotrków Trybunalski, and 620NaN0 south of the regional capital Łódź.