Gmina Siedliszcze is a rural gmina (administrative district) in Cheà Âm County, Lublin Voivodeship, in eastern Poland. Its seat is the village of Siedliszcze, which lies approximately west of Cheà Âm and east of the regional capital Lublin.
The gmina covers an area of , and as of 2006 its total population is 7,050.
Gmina Siedliszcze contains the villages and settlements of:
Gmina Siedliszcze is bordered by the gminas of Cheà Âm, Cyców, Milejów, Puchaczów, Rejowiec Fabryczny, Trawniki and Wierzbica.