光 From Wikipedia, the free encyclopedia Look up 光, ひかり, こう, 광, or 빛 in Wiktionary, the free dictionary. "光" means "light" in East Asian languages. It is the native title of: Hikari (Hikaru Utada song) Hikari (train) Radiance (2017 film) Guang (film) Hikari Guang Topics referred to by the same term This disambiguation page lists articles associated with the title 光.If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article. Related Articles