Ai Hirayama (born 7 May 1992) is a Japanese rugby union player. She competed for at the 2021 Rugby World Cup.

Early life and career Hirayama played basketball at Kiryu Commercial High School, after graduating from high school in 2011 she joined the Japan Self-Defense Force at the age of 20. She only started playing rugby at the age of 21.

Rugby career On 16 November 2019, Hirayama earned her first cap for as a starter against during her sides European tour.

In 2022, she was selected for Japan's squad to the delayed 2021 Rugby World Cup in New Zealand. References