Sendai was a Sendai-class light cruiser in the Imperial Japanese Navy. She was named after the Sendai River in southern Kyūshū. Sendai was the lead ship of the three vessels completed in her class of light cruisers, and like other vessels of her class, she was intended for use as the flagship of a destroyer flotilla.

The Sendai-class light cruisers were a class of three warships operated by the Imperial Japanese Navy. The vessels in the class were named after rivers according to the navy's light cruiser naming rule. They participated in numerous actions during the Pacific War and were mainly used as destroyer flotilla leaders.