- This article is for the character in the episode The Recital of Blue Moon Night.
- Don't confuse this character with Luna in the episode Suneo's Romance.
Luna (ルナ Runa) is a cat who only appears in The Recital of Blue Moon Night.
Her appearance is the same as Mii Chan except that she has bangs and has a blue collar with a crescent moon.
At first Doraemon is shy talking to Luna and listens to her song Tsuki no Hikari. They met formally with Nobita's help. Later, Doraemon helps Luna with reuniting with his brother, Tera.
Her name may be the corruption of Lunar. She use moon-shaped necklace on her neck.