| Sieczychy | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Wyszków |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Długosiodło |
| Coordinates: | 52.7°N 50°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 480 |
Sieczychy is a village in the administrative district of Gmina Długosiodło, within Wyszków County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 11km (07miles) south-west of Długosiodło, 120NaN0 north of Wyszków, and 630NaN0 north-east of Warsaw.