Sieczychy
| Sieczychy | |
|---|---|
| Village | |
| Coordinates: 52°42′N 21°29′E / 52.700°N 21.483°E | |
| Country | Poland | 
| Voivodeship | Masovian | 
| County | Wyszków | 
| Gmina | Długosiodło | 
| Population | 480 | 
Sieczychy [ɕɛˈt͡ʂɨxɨ] is a village in the administrative district of Gmina Długosiodło, within Wyszków County, Masovian Voivodeship, in east-central Poland. It lies approximately 11 km (7 mi) south-west of Długosiodło, 12 km (7 mi) north of Wyszków, and 63 km (39 mi) north-east of Warsaw.