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| Hikari | |
|---|---|
| Type | Piston aircraft engine |
| Manufacturer | Nakajima Aircraft Company |
| Major applications | Aichi D1A |
| Developed from | Nakajima Kotobuki |
The Nakajima Hikari (Japanese: 光 "Light") was a nine-cylinder, air-cooled, radial aircraft engine developed in Japan for Navy use during World War II by the Nakajima Aircraft Company. It was a development of the Nakajima Kotobuki and Wright Cyclone. In Army use it was known as the Ha8.