The Japanese submarine chaser CH-22 was a No.13-class submarine chaser of the Imperial Japanese Navy during World War II. She was built by Mitsubishi Heavy Industries, Yokohama, launched on 29 May 1941 and completed on 12 October 1941. On 24 August 1942, she left Rabaul as part of Operation RE, for the landings at Milne Bay.

On 19 February 1944, while off Kavieng, New Ireland in Convoy O-902, she was attacked by United States Army Air Forces B-25's of the 500th and 501st Bombardment Squadrons, A-20's of the 3rd Bombardment Group and P-38's and was sunk at 03°04′S 150°42′E / 3.067°S 150.700°E / -3.067; 150.700.

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• Model Art Extra No.340, Drawings of Imperial Japanese Naval Vessels Part-1 (in Japanese). Model Art Co. Ltd. October 1989.
• The Maru Special, Japanese Naval Vessels No.49, Japanese submarine chasers and patrol boats (in Japanese). Ushio Shobō. March 1981.

• "IJN Subchaser CH-22: Tabular Record of Movement". Combined Fleet.