List of Famous people with last name Iwatani

Mayu Iwatani is a Japanese professional wrestler currently signed to World Wonder Ring Stardom. 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, two-time Goddess of Stardom Champion, and a five-time Artist of Stardom Champion, while also having won the Cinderella Tournament back to back in 2015 and 2016, and the 2018 5*Grand Prix. She also made appearances for Stardom's American partner Ring of Honor (ROH), where she is a former one-time Women of Honor World Champion. Dave Meltzer of the Wrestling Observer Newsletter has called Iwatani and fellow Japanese workers Io Shirai and Kairi Hojo "three of the best wrestlers in the world".

Tokiko Iwatani was a Japanese lyricist, poet, and translator.

Toru Iwatani is a Japanese video game designer who spent much of his career working for Namco. He is best known as the creator of the arcade game Pac-Man (1980).