| Biernatki | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Subdivision Type2: | County |
| Subdivision Name2: | Kalisz |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Żelazków |
| Coordinates: | 51.8275°N 18.1792°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | right |
| Population Total: | 340 |
Biernatki is a village in the administrative district of Gmina Żelazków, within Kalisz County, Greater Poland Voivodeship, in west-central Poland.[1] It lies approximately 11km (07miles) north-east of Kalisz and 1080NaN0 south-east of the regional capital Poznań.