Gmina Trzebinia is an urban-rural gmina (administrative district) in Chrzanów County, Lesser Poland Voivodeship, in southern Poland.

Its seat is the town of Trzebinia, which lies approximately 8 kilometres (5 mi) north-east of Chrzanów and 35 km (22 mi) west of the regional capital Kraków.

The gmina contains part of the protected area called Kraków Valleys Landscape Park.

Apart from the town of Trzebinia, Gmina Trzebinia contains the villages and settlements of Bolęcin, Czyżówka, Dulowa, Karniowice, Lgota, Młoszowa, Myślachowice, Piła Kościelecka, Płoki and Psary.

Gmina Trzebinia is bordered by the towns of Bukowno and Jaworzno, and by the gminas of Alwernia, Chrzanów, Krzeszowice and Olkusz.