Sienno Dolne [ˈɕɛnnɔ ˈdɔlnɛ] (German: Schöneu) is a village in the administrative district of Gmina Radowo Małe, within Łobez County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 9 kilometres (6 mi) west of Radowo Małe, 20 km (12 mi) west of Łobez, and 56 km (35 mi) north-east of the regional capital Szczecin.

For the history of the region, see History of Pomerania.