Cake Island is an uninhabited island in the Qikiqtaaluk Region, Nunavut, Canada. Located in Hudson Bay, it is a member of the Bakers Dozen Islands archipelago of the Belcher Islands group. Other islands in the immediate vicinity include:

• Bun Island (to its north)
• Loaf Island
• Range Island
• Renouf Island
• Twin Cairns Island (to its south)