Huntsville is a town in the District Municipality of Muskoka, Ontario, Canada. It is located 215 kilometres (134 mi) north of Toronto and 130 kilometres (81 mi) south of North Bay. Of the three major Muskoka towns (the others being Gravenhurst and Bracebridge), Huntsville has the largest population (21,147 per 2021 census) and land area (710.64 square kilometres (274.38 sq mi)).
Huntsville is located in the hilly terrain of the Canadian Shield and is dotted with many lakes. Due to its natural environment and natural resources, Huntsville is a tourist destination that draws many people from around the world. The Toronto Star ranked the town the #1 place to take a summer trip in 2011.