Gmina Tymbark is a rural gmina (administrative district) in Limanowa County, Lesser Poland Voivodeship, in southern Poland. Its seat is the village of Tymbark, which lies approximately 8 kilometres (5 mi) north-west of Limanowa and 47 km (29 mi) south-east of the regional capital Kraków.
The gmina covers an area of 32.7 square kilometres (12.6 sq mi), and as of 2006 its total population is 6,243.
Gmina Tymbark contains the villages and settlements of Piekiełko, Podłopień, Zamieście and Zawadka.
Gmina Tymbark is bordered by the town of Limanowa and by the gminas of Dobra, Jodłownik, Limanowa and Słopnice.