Pfaffing is a municipality in the district of Vöcklabruck, in the Austrian state of Upper Austria. It is located in the Hausruckviertel region of the state, roughly midway between the towns of Vöcklamarkt and Frankenburg am Hausruck.
The municipality covers an area of about 13 square kilometres and sits at an elevation of around 550 metres. It is a rural community made up of a number of small villages and hamlets, including the main settlement of Pfaffing itself, as well as Oberpfaffing, Unterpfaffing, and several other scattered farmsteads and groups of houses.
Pfaffing is part of the Vöcklabruck political district, which lies in the western part of Upper Austria, bordering the state of Salzburg. The area is characterised by rolling hills and farmland typical of the Alpine foothills. The nearest larger towns are Vöcklabruck, the district capital, and Frankenburg am Hausruck, both within a short drive of the municipality.