- Class: Chiyoda - 2 light aircraft carriers of 1942
- Displacement: 11,190 tons
- Dimensions: 570 (pp) 631.5 (oa) x 68.25 x 24.5 ft.
- Machinery: 4-shaft geared turbines and diesels, H.P. 56,800 = 29 knots
- Armament: 8-5in (4x2), 48-25mm AA guns
- Aircraft: 30
- Complement: 785
- Builder: Kure Navy Yard
- Laid Down:
- Launched: 19 Nov 1937
- Commissioned: 15 Dec 1938
- Recommissioned: 31 Oct 1943
- Service: Chiyoda and sister Chitose originally built as seaplane tenders with 4 catapults and capacity for 24 floatplanes. Modified in 1941 to carry, and rapidly deploy, 12 midget submarines via a stern ramp, while retaining 12 floatplanes. After Battle of Midway, they were taken in hand for conversion to aircraft carriers, from Dec 1942 and Jan 1943, respectively. They formed the 3rd Carrier Division at the Battle of the Philippine Sea Jun 1944; both were sunk off Cape Engano during the Battle of Leyte Gulf 25 Oct 1944 where they were part of Adm Ozawa's Decoy Force.