The Sunyani West District Assembly (SWDA), which was carved out of Sunyani East District now Sunyani Municipal, is one of the 27 Districts in the Brong Ahafo Region of the Republic of Ghana.

It was established in November 2007 through the Legislative Instrument (LI) 1881 and inaugurated on 29th February 2008 with Odomase as the administrative capital.

Geographically, the District lies between latitudes 7º 19´N and 7º 35´N and longitudes 2º 08´ W and 2º 31´ W and shares boundaries with Wenchi Municipal to the North, Offinso North to the East, Sunyani Municipal to the South, Berekum Municipal to the West, Dormaa Municipal, Dormaa East to the South-West and Tain District to the North-West.

With a total land area of 1,059.33square kilometres, the District occupies 4.2 percent of the total land area of the region.

The population of the district according to the 2010 Population and Housing Census stands at 85,272 with 41,388 males and 43,884 females.