Gmina Wilamowice is an urban-rural gmina (administrative district) in Bielsko County, Silesian Voivodeship, in southern Poland. Its seat is the town of Wilamowice, which lies approximately 12 kilometres (7 mi) north-east of Bielsko-Biała and 39 km (24 mi) south of the regional capital Katowice.
It is known for the Wymysorys language, which is spoken by some of the people here.
The gmina covers an area of 56.72 square kilometres (21.9 sq mi), and as of 2019 its total population is 17,613.
Apart from the town of Wilamowice, Gmina Wilamowice contains the villages and settlements of Dankowice, Hecznarowice, Pisarzowice, Stara Wieś and Zasole Bielańskie.
Gmina Wilamowice is bordered by the city of Bielsko-Biała and by the gminas of Bestwina, Brzeszcze, Kęty, Kozy and Miedźna.