Other
- Hikari (company), a brand of flake-style fish food
- Hikari danio, a species of danio fish in Burma
- Hikari Sentai Maskman, the 11th entry of the Sentai Series
- Hikari (train), a train service running on the Tōkaidō/Sanyō Shinkansen in Japan
- Nakajima Hikari, a family of radial aircraft engines
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