Gmina Korczew is a rural gmina (administrative district) in Siedlce County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Korczew, which lies approximately north-east of Siedlce and east of Warsaw.
The gmina covers an area of , and as of 2006 its total population is 3,022 (2,796 in 2014).
Gmina Korczew contains the villages and settlements of Bartków, Buà ¼yska, Czaple Górne, Draà ¼niew, Góry, Józefin, Juhana, Knychówek, Korczew, Laskowice, Mogielnica, Mokrany-Gajówka, Nowy Bartków, Ruda, Sarnowiec, Starczewice, Stary Bartków, Szczeglacin, Tokary, Tokary-Gajówka, Zacisze and Zaleà Â.
Gmina Korczew is bordered by the gminas of Drohiczyn, Paprotnia, Platerów, Przesmyki and Repki.