Sepia kiensis is a species of cuttlefish native to the Indo-Pacific, specifically the Kai Islands, possibly to Timor and northern Australia.

It lives at depth of 256 m.[3] The validity of S. kiensis has been questioned.

[4] Sepia kiensis grows to a mantle length of 37 mm.

[3] The type specimen was collected off Kai Island in the Arafura Sea.

It is deposited at The Natural History Museum in London.