Liu Xuanxuan (Chinese: 刘玄炫; pinyin: Liú Xuánxuàn; born 18 June 2000) is a Chinese badminton player from Hunan. She was part of the national junior team that won the mixed team title at the 2017 and 2018 World Junior Championships and also at the 2018 Asian Junior Championships. Liu won her first senior international title at the 2018 Lingshui China Masters in the mixed doubles event partnered with Guo Xinwa.