Japanese gunboat Hira
 Hira (比良) 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.On 13 December 1937 Hira and other IJN ships engaged Chinese positions at Xiaguan China and attacked Chinese boats and rafts on the Yangtze River. On 17 August 1944 Hira was damaged by US 14th Air Force aircraft at Kiukiang China.