| Giełczynek | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Mława |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Strzegowo |
| Coordinates: | 52.9108°N 20.2142°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 70 |
Giełczynek is a village in the administrative district of Gmina Strzegowo, within Mława County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 26km (16miles) south-west of Mława and 940NaN0 north-west of Warsaw.