 
The is a bay located north of the island of Honshu, in Japan. It is considered to be part of the larger Mutsu Bay.
Geography.
Aomori Bay is an inner bay located to the west of Natsudomari Peninsula that protrudes in the center of the southern coast of Mutsu Bay. The bay is bordered by the Tsugaru Peninsula to the west and the harbor of Aomori to the south.
Animal and plant life.
"Emplectonema kandai" is a bioluminescent marine ribbon worm found in Aomori Bay at a depth of 35–40 meters, and coiled up on "Chelyosoma" sea squirts.
Human history.
The bay provided resources for the Jōmon people living at the settlements along its coastline, such as the Sannai-Maruyama Site.