Ou Xuanyi is a Chinese badminton player.

Liu Yuchen is a Chinese badminton player. He was the men's doubles World Champion in 2018, two-time Asian Champion in 2017 and 2018, and also a silver medalist at the 2020 Summer Olympics partnered with Li Junhui. Liu was part of the national team that won the 2018 Asian Games, 2018 Thomas Cup, and 2019 Sudirman Cup. Together with Li, he achieved the men's doubles world number 1 in 6 April 2017, and occupied the top ranking for ten weeks.