Zheng Siwei (Chinese: 郑思维; pinyin: Zhèng Sīwéi; born 26 February 1997) is a Chinese badminton player specializing in doubles.[2] He is an Olympic gold medalist, a three-time World Champion and two-time Asian Games gold medalist in the mixed doubles with his current partner Huang Yaqiong.[3][4] He helped the national team clinch the 2018 Thomas Cup and also 2019 and 2023 Sudirman Cups.
Zheng joined the national team in 2013, and excelled in the junior events, collecting four gold medals, a silver and a bronze at the World Junior Championships, also six golds and a silver at the Asian Junior Championships from 2013 to 2015. He also participated in the senior event, winning doubles titles in New Zealand and Brasil Open.[5] For his achievements in 2015, the BWF awarded him the Eddy Choong Most Promising Player of the Year.[6]
Zheng achieved his breakthrough in 2016 by achieving the world number 1 ranking in mixed doubles partnering with Chen Qingchen in December 2016. He and Chen reached thirteen Superseries finals, won the year-end tournament Dubai World Superseries Finals in 2016 and 2017, and the silver medal at the 2017 World Championships. He forged a new mixed doubles pairing with Huang Yaqiong in November 2017, started their partnership by winning the China, Hong Kong and Macau Open in consecutive weeks. He again ascended to the mixed doubles world number 1 ranking on 9 August 2018, with the achievement of seven 2018 World Tour titles, and gold medals at the World Championships and Asian Games.[5]