This article explores whether the name Luna is a Japanese name. It explains the historical context of Japanese names, the meaning behind "Luna", its increasing popularity in Japan, variations of the name, other Japanese names with similar meanings and sources/references. Luna is derived from Latin and translates roughly to mean "moon" or "night sky". It has associations with feminine beauty and purity due to its connection with Selene, the Roman goddess of the moon. Variations on Luna used by parents include Runa, Ruri, Kouyou , Tsukiyo , Tsukiaki etc., while other Japanese names that share similar meanings include Tsuki ("Moon"), Yoru ("Night Sky"), Kaguya ("Shining Moon"), Hoshi ("Starlight") , Akemi ("Bright Beauty").