| Leosin | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Łódź |
| Subdivision Type2: | County |
| Subdivision Name2: | Łódź East |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Koluszki |
| Coordinates: | 51.7367°N 19.8931°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 80 |
Leosin is a village in the administrative district of Gmina Koluszki, within Łódź East County, Łódź Voivodeship, in central Poland. It lies approximately 7km (04miles) east of Koluszki and 300NaN0 east of the regional capital Łódź.