Highway 363 is a provincial highway in the Canadian province of Saskatchewan.

At about 200 kilometres (120 mi) long, it is the longest of the 300-series highways in the province.

[1] Highway 363 passes near the communities of Rosenhof, Neidpath, Hallonquist, Hodgeville, Kelstern, Shamrock, Trewdale, Coderre, Courval, Old Wives, Abound, and Valley Ridge.

Highway 363 travels down Manitoba Street and the Manitoba Street Expressway, an arterial road in Moose Jaw.

Highway 363 ends at Main Street (Highway 2) in downtown Moose Jaw, but Manitoba Street continues east to connect with Highway 1 (Trans-Canada Highway) on the eastern edge of the city.