| Dęby | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Ostrołęka |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Łyse |
| Pushpin Map: | Poland |
| Coordinates: | 53.3833°N 51°W |
Dęby is a village in the administrative district of Gmina Łyse, within Ostrołęka County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 5km (03miles) north-west of Łyse, 360NaN0 north of Ostrołęka, and 1340NaN0 north of Warsaw.