Hudson's Bay, also known as The Bay, is a Canadian department store chain. It is the flagship brand of the Hudson's Bay Company (HBC), the oldest and longest-surviving company in North America as well as one of the oldest and largest continuously operating companies in the world.

The Hudson's Bay Company is a Canadian retail business group. A fur trading business for much of its existence, it became the largest and oldest corporation in Canada, and now owns and operates retail stores across the country. The company's namesake business division is Hudson's Bay, commonly referred to as The Bay.