Mayu Iwatani (born February 19, 1993) is a Japanese professional wrestler currently signed to the World Wonder Ring Stardom promotion. Since making her debut in January 2011, she became a two-time World of Stardom Champion, two-time Wonder of Stardom Champion, one-time High Speed Champion, one-time Goddess of Stardom Champion, and a four-time Artist of Stardom Champion, while also having won the 2015 and 2016 Cinderella Tournaments. She also made appearances in Ring of Honor (ROH), where she is a former one-time Women of Honor World Champion. She on occasion appears in New Japan Pro Wrestling.
Known For

STARDOM All Star Grand Queendom 2025
Wrestler
2025

Stardom Dream In Anjo ~Tam Nakano's Triumphant Return~
Mayu Iwatani
2025

STARDOM Spring Vacation 2025 • Day 1
Wrestler
2025

Stardom Spring Vacation ~Hi Hi! Okinawa~
Mayu Iwatani · (2 episodes)
2025

STARDOM Cinderella Tournament 2025 • Finals
Wrestler
2025
STARDOM Cinderella Tournament 2025 • Round 2
Wrestler
2025

STARDOM Cinderella Tournament 2025 • Round 1
Wrestler
2025

Stardom Path Of Thunder 2025
Mayu Iwatani
2025

STARDOM in Fuji • 2.16.2025
Wrestler
2025

STARDOM in Takasaki • 2.15.2025
Wrestler
2025

Stardom In Yamaguchi ~Mayu Iwatani's Triumphant Return~
Mayu Iwatani
2025

Stardom 14th Anniversary Supreme Fight 2025 In Korakuen
Mayu Iwatani
2025
Stardom Award 2024 In Takadanobaba - Day 1
Wrestler
2025

NJPW Battle in the Valley
Mayu Iwatani
2025

NJPW Wrestle Kingdom 19
Mayu Iwatani
2025

Stardom New Year Dream 2025
Mayu Iwatani
2025

Stardom Dream Queendom 2024
Mayu Iwatani
2024

NJPW x STARDOM: Historic X-Over II
Mayu Iwatani
2024

Step Aside WWE: This Is Japanese Women's Wrestling
2024

Stardom Sapporo World Rendezvous
Mayu Iwatani
2024

Stardom Sapporo Wonder Rendezvous
Mayu Iwatani
2024

Stardom The Conversion 2024
Mayu Iwatani
2024

Stardom Flashing Champions 2024
Mayu Iwatani
2024

Runaway Wrestler
2024

Stardom All-Star Grand Queendom 2024
Mayu Iwatani
2024

Stardom American Dream 2024
2024

NJPW The New Beginning In Sapporo 2024 - Night 1
Mayu Iwatani
2024

Stardom 13th Anniversary Supreme Fight 2024 ~Osaka Minami Rebellion~
Mayu Iwatani
2024

Sareee Produce Sareee-ISM
(1 episode)
2023

Stardom Fukuoka Goddess Legend 2023
Mayu Iwatani
2023

Stardom: Allstar Grand Queendom 2023
2023
Stardom In Showcase Vol. 4
2023

Stardom Supreme Fight 2023
2023

Stardom Dream Queendom 2022
2022

Girls, Be Ambitious!
2022

NJPW x STARDOM: Historic X-Over
Mayu Iwatani
2022

Stardom Gold Rush
2022

NJPW Rumble on 44th Street
Mayu Iwatani
2022

Stardom 5STAR Grand Prix 2022: Championship Battle
Mayu Iwatani
2022

Stardom Flashing Champions
2022

Stardom Golden Week Fight Tour
2022

Stardom World Climax 2022- Night 2
2022

Stardom World Climax 2022- Night 1
2022

Stardom Cinderella Journey In Nagaoka 2022
Mayu Iwatani
2022
Stardom New Year Stars 2022 - Night 3
2022

NJPW Wrestle Kingdom 16: Night 2
Mayu Iwatani
2022

Stardom Dream Queendom
2021
Stardom Year-End Climax 2021
2021

Stardom Osaka Super Wars
2021

STARDOM Tokyo Dream Cinderella 2021
2021

Stardom Yokohama Dream Cinderella 2021 in Spring
2021

Stardom 10th Anniversary ~Hinamatsuri All-Star Dream Cinderella
2021

Stardom Osaka Dream Cinderella
2020

Stardom Sendai Cinderella
2020

Stardom Yokohama Cinderella
2020

Stardom in NYC
2019
Stardom X Stardom 2019
2019

EVE Wrestle Queendom II
2019

The Wrestlers
(1 episode)
2019

ROH & NJPW: G1 Supercard
Mayu Iwatani
2019
Stardom American Dream in the Big Apple
2019

ROH: 17th Anniversary
Mayu Iwatani
2019

Drop Kick on My Devil!!
Girl B · (1 episode)
2018

ROH: Best In The World
Mayu Iwatani
2018

ROH: Supercard of Honor XII
2018
Stardom Dream Slam In Osaka
2018

Stardom Queen's Fest
Mayu Iwatani
2018

Stardom 7th Anniversary
Mayu Iwatani
2018
Stardom Year-End Climax 2015
2015
Stardom Goddesses Of Stardom 2015 - Night 4: Stardom Vs. Sendai Girls
2015
Stardom Cinderella Tournament
2015
Stardom Year-End Climax 2014
2014
Wrestle-1 Raising An Army Tour - Day 1
2013
Stardom The Highest 2012
2012

STARDOM in Sendai • 2.22.2025
Wrestler

Lucha Underground
Yurei · (1 episode)
2014
Stardom on Samurai! TV
(8 episodes)
2011
Stardom on Samurai! TV
Mayu Iwatani · (3 episodes)
2011

Stardom on Stardom World
(22 episodes)
2011

Stardom on Stardom World
Mayu Iwatani · (56 episodes)
2011