William A. Switzer Provincial Park is a provincial park in Alberta, Canada.

It is located on both sides of the Bighorn Highway, between Grande Cache and Hinton.

This park is situated within the foothills of Alberta's Rocky Mountains, at an elevation of 1,150 m (3,770 ft) to 1,300 m (4,300 ft) and has a surface of 93 km2 (36 sq mi).

It was established on December 22, 1958 and is maintained by Alberta Tourism, Parks and Recreation.

The park is named after former provincial Member of the Legislative Assembly William Switzer.