is a feminine Japanese given name.

Written forms Rieko can be written using different kanji characters and can mean: 理恵子, "logic, blessing, child" 梨枝子, "pear, branch, child" 利恵子, "profit, blessing, child" 里江子, "hometown, creek, child" 理絵子, "logic, picture, child" 理枝子, "logic, branch, child" The name can also be written in hiragana or katakana.

People , Japanese retired professional wrestler under the ring name Carlos Amano Rieko Ioane, a New Zealand rugby union player , a member of the J-pop band Round Table Rieko Kodama (理恵子), a Japanese video game designer , Japanese rhythmic gymnast , Japanese novelist and short story writer Rieko Miura (理恵子), a J-pop singer and actress , Japanese singer/songwriter and pianist under the stage name Kotringo Rieko Nakagawa (中川李枝子), a Japanese children's book writer and lyricist , Japanese manga artist , Japanese actress and voice actress , Japanese women's professional shogi player

Fictional characters Rieko, an android in the manga, tokusatsu, and anime series Kikaider