Stare Osieczno (German: Hochzeit) is a village in the administrative district of Gmina Dobiegniew, within Strzelce-Drezdenko County, Lubusz Voivodeship, in western Poland.

It lies approximately 14 kilometres (9 mi) east of Dobiegniew, 32 km (20 mi) north-east of Strzelce Krajeńskie, and 56 km (35 mi) north-east of Gorzów Wielkopolski.

Notable residents

• Friedrich Wilhelm Semmler (1836–1931), German chemist