Kotaka (小鷹) was a river gunboat of the Imperial Japanese Navy, part of the 11th Gunboat Sentai, that operated on the Yangtze River in China during the 1930s, and during the Second Sino-Japanese War.

From February to May 1939, Kotaka fought in the Nanchang Campaign.

The vessel was sunk on May 31, 1944, on the Yangtze River while serving as a communications ship.

[9] The IJN official designation was 60-ton traffic ship (Motored river exclusive-Special type) (六拾瓲交通船 (内火式河用特型),, 60-ton kōtsūsen (Uchibishiki kawayou-Tokugata)).

This article about a specific military ship or boat of Japan is a stub.