Mayu Iwatani (born February 19, 1993) is a Japanese professional wrestler who debuted on January 23, 2011, for World Wonder Ring Stardom. She became a cornerstone of Stardom, earning elite status as a two‑time World of Stardom Champion, two‑time Wonder of Stardom Champion, High Speed Champion, Goddesses and Artist of Stardom titleholder, and was celebrated as “The Icon of Stardom” before departing in 2025 to join Dream Star Fighting Marigold. She has also competed and won championships in New Japan Pro Wrestling (NJPW), Ring of Honor (ROH), and Pro Wrestling NOAH.