Rain

Rain may refer to:
 * Rain, an uncommon first name found in The World.
 * Rainie Mei, a singer in The World.
 * Rain (Valkyrie), A Valkyrie.
 * Rainer Pendragon, a member of House Pendragon.
 * Sid Raine, Admiral of the Amethyst Fleet during the Era of the Admirals.