Gmina Dziemiany () is a rural gmina (administrative district) in Kościerzyna County, Pomeranian Voivodeship, in northern Poland. Its seat is the village of Dziemiany, which lies approximately south-west of Kościerzyna and south-west of the regional capital Gdańsk.
The gmina covers an area of , and as of 2006 its total population is 4,065.
The gmina contains part of the protected area called Wdydze Landscape Park.
Villages
Gmina Dziemiany contains the villages and settlements of Belfort, Białe Błoto, Borsztal, Czarne, Dąbrówka, Dębina, Dunajki, Dywan, Dziemiany, Głuchy Bór, Jastrzębie Dziemiańskie, Kalisz, Kalwaria, Kloc, Lampkowo, Leżuchowo, Milkowo, Mutkowo, Nowe Słone, Pełki, Piechowice, Płęsy, Przerębska Huta, Raduń, Rów, Rozwalewo, Schodno, Słupinko, Stare Słone, Szablewo, Tklania, Tomaszewo, Trzebuń, Turzonka, Wilczewo, Żabowo, Zajączkowo, Zarośle, Zatrzebionka and Zimny Dwór.
Neighbouring gminas
Gmina Dziemiany is bordered by the gminas of Brusy, Karsin, Kościerzyna, Lipusz and Studzienice.