Mamiko (written: 麻美子, 眞美子, 真美子, 真宮子 or 麻巳子) is a feminine Japanese given name. Notable people with the name include:
, Japanese singer and actress , Japanese professional golfer , Japanese screenwriter , Japanese professional footballer , Japanese voice actress Mamiko Oshima-Berger (born 1989), marathon runner from the Northern Mariana Islands , Japanese and singer , Japanese basketball player , Japanese para-badminton player
Fictional characters , a character in the manga series Shadow Star