Piątnica
| Piątnica Poduchowna | |
|---|---|
| Village | |
| View of Piątnica from Łomża | |
| Coordinates: 53°11′43″N 22°5′43″E / 53.19528°N 22.09528°E | |
| Country | Poland | 
| Voivodeship | Podlaskie | 
| County | Łomża | 
| Gmina | Piątnica | 
| Population | |
|  • Total | 1,800 ( 2,006 ) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Vehicle registration | BLM | 
Piątnica Poduchowna (Polish pronunciation: [pjɔntˈɲitsa]; until 1999 Piątnica Poduchowna) is a village in Łomża County, Podlaskie Voivodeship, in north-eastern Poland. It is the seat of gmina (administrative district) called Gmina Piątnica. It lies approximately 4 km (2 mi) north of Łomża and 73 km (45 mi) west of the voivodeship capital Białystok.