| Niechłonin | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Warmian-Masurian |
| Subdivision Type2: | County |
| Subdivision Name2: | Działdowo |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Płośnica |
| Pushpin Map: | Poland |
| Coordinates: | 53.1833°N 23°W |
Niechłonin is a village in the administrative district of Gmina Płośnica, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland.[1] It lies approximately 12km (07miles) south of Płośnica, 110NaN0 south-west of Działdowo, and 730NaN0 south-west of the regional capital Olsztyn.