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. The validity of S. kiensis has been questioned.

Sepia kiensis grows to a mantle length of 37 mm.

The type specimen was collected off Kai Island in the Arafura Sea. It is deposited at The Natural History Museum in London.

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