Dretynek [drɛˈtɨnɛk] (German: Tretenwalde) is a village in Gmina Miastko, Bytów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 33 kilometres (21 mi) south-west of Bytów and 111 km (69 mi) south-west of Gdańsk (capital city of the Pomeranian Voivodeship).

From 1975 to 1998 the village was in Słupsk Voivodeship.

It has a population of 121.

• "GUS (Central Statistical Office)" (in Polish).
• Map of the Gmina Miastko

54°02′59″N 17°01′26″E / 54.04972°N 17.02389°E / 54.04972; 17.02389