| Leśniakowizna | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Wołomin |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Wołomin |
| Pushpin Map: | Poland |
| Coordinates: | 52.3167°N 21.27°W |
| Population Total: | 465[1] |
Leśniakowizna is a village in the administrative district of Gmina Wołomin, within Wołomin County, Masovian Voivodeship, in east-central Poland.[2]