|Location||Viscount Melville Sound|
|River sources||Nanook River|
Hadley Bay (/ /(listen), HAD-lee) is an Arctic waterway in the Kitikmeot Region, Nunavut, Canada. It is located in western Viscount Melville Sound, by northern Victoria Island. It is east of Wynniatt Bay, and 250 km (160 mi) north of the community of Cambridge Bay.
Its recent history has included mining exploration.