Highway 628 is a highway in the Canadian province of Saskatchewan. It is in two segments. The southern segment runs from Highway 18 near Glen McPherson to Highway 43 near Pambrun, and the northern segment runs from Highway 1 near Waldeck to Highway 4 near Stewart Valley. The southern segment is about 56 km (35 mi.) long and the northern segment is about 45 km (28 mi.) long.
The southern segment also passes near the communities of Quimper and Ponteix. It has an intersection with Highway 13.
The northern segment also passes near the communities of Old Beaver Flat and Beaver Flat.