Lac du Bonnet is a provincial electoral division in the Canadian province of Manitoba. It was created by redistribution in 1957, and has formally existed since the provincial election of 1958. It is a relatively large constituency, located to the northeast of Winnipeg. Lac du Bonnet is bordered to the west by Selkirk and Springfield, to the south by La Verendrye, to the north by Rupertsland and to the east by the Ontario border. Communities in the riding include Lac Du Bonnet, Pinawa, Beausejour (known as the birthplace of Edward Schreyer) and Whitemouth.