The Polar Bear Express is a Canadian passenger train operated by the Ontario Northland Railway in Northern Ontario. Service was introduced in 1964. While designated as a passenger train, the Polar Bear Express also carries freight and is equipped with specialized equipment including boxcars for canoes, snowmobiles and all terrain vehicles. There are also baggage and express cars. In the past a special car existed for canoes but now these are carried in regular boxcars.

Moosonee station is a railway station in Moosonee, Ontario, Canada operated by the Ontario Northland Railway. It is the northern terminus of Ontario Northland's Polar Bear Express, located about 12 miles south of the shore of James Bay on the north bank of the Moose River. It consists of a single storey station building, sheds, and a small train yard.