| Joniec-Kolonia | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Płońsk |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Joniec |
| Coordinates: | 52.5958°N 20.5542°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 120 |
Joniec-Kolonia is a village in the administrative district of Gmina Joniec, within Płońsk County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 13km (08miles) east of Płońsk and 520NaN0 north-west of Warsaw.