Hikari (ひかり, "Sparkle or Light") may refer to:

• Hikari Station, a station on Sanyō Main Line in Hikari, Yamaguchi
• Hikari, Chiba, a former town in Sousa District, Chiba, Japan
• Hikari, Yamaguchi, a city in Yamaguchi Prefecture, Japan

• Hikari (name), people and characters with the name
• Hikari (director), a writer, director and producer.

• Radiance (2017 film), original title Hikari
• Hikari TV, IPTV provider and production company

• Hikari (Maaya Uchida album)
• Hikari (Sid album)
• Hikari (Oceans Ate Alaska album), or the title song by Oceans Ate Alaska, 2017
• "Hikari" (Mai Hoshimura song), a 2008 song by Mai Hoshimura
• "Hikari" (Hikaru Utada song), a 2001 song by Hikaru Utada
• "Hikari", a 2006 song by Yui Horie
• "Hikari", a 2007 song by Nujabes and Substantial
• "Hikari", a 2012 song by BT from If the Stars Are Eternal So Are You and I
• "Hikari" (Pentagon song), a 2017 song by Pentagon

• 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
• A type of card in the hanafuda game Koi-Koi