Koharu Yonemoto is a retired Japanese badminton player who affiliate with Hokuto Bank. She was the women's doubles bronze medalist at the 2018 World Championships, and the silver medalist at the 2013 East Asian Games. She won the year-end tournament Superseries Finals in 2017. Yonemoto was part of Japanese winning team at the 2017 Asia Mixed Team Championships, 2018 Uber Cup, 2018 Asian Games, and at the 2018 Asia Women's Team Championships.

The 2018 BWF World Championships was a badminton tournament which was held from 30 July to 5 August at Nanjing Youth Olympic Games Sports Park Arena in Nanjing, China.