Throughout the world, 瑞娜 (瑞娜 
) is quite a common predominantly girly, but scarcely male given name. The forename 瑞娜 is habitual in Eastern Asia, particularly China, where it is a rare predominantly feminine, but scarcely masculine name. Much less frequently, 瑞娜 is the last name as well as the forename.
瑞娜 is also a name for the fictitious and mythical characters: Rina Tennoji , the fictional character from Love Live! Nijigasaki High School Idol Club; Rena Ashihara , the fictional character from Ro-Kyu-Bu!; Rina Lazarus , the fictional character in mystery novels by Faye Kellerman; Rina , the character in The West Wing and Rina Touin , the Mermaid Melody character, Mermaid Melody Pichi Pichi Pitch.