Lee Hyun-il is a former badminton player from South Korea. He is a former World and Asian Championships bronze medalist, and was part of South Korean team that won the 2003 Sudirman Cup as well the gold medals at the 2002 and 2014 Asian Games.
Shōji Satō is a retired Japanese badminton player from NTT East team. He now works as a NTT East singles coach.
Rajah Menuri Venkata Gurusaidutt or R. M. V. Gurusaidutt or Gurusai Dutt born to RMV Bharadwaj and RM Anjana is a badminton player from India. He trains at the Hyderabad's Gopichand Badminton Academy. He won the gold medal at the 2008 Commonwealth Youth Games and the bronze medal at the 2014 Commonwealth Games in Glasgow.
Viktor Axelsen is a Danish badminton player. He is the reigning World and Olympic Champion in Men's singles, having won the 2022 World Championships and 2020 Olympics.
Brice Leverdez is a French badminton player. He was a champion at the 2013 Mediterranean Games, won a silver medal at the 2015 European Games, and a bronze medal at the 2018 European Championships.
Vladimir Alexandrovich Ivanov is a Russian badminton player. He was the champion at the 2014 and 2021 European Championships, and also the 2016 All England Open partnering with Ivan Sozonov. They made history by becoming the first Russian pair to win the men's doubles title in each of those events. Ivanov competed at the 2012, 2016, and 2020 Summer Olympics.
Keigo Sonoda is a Japanese badminton player. He affiliated with the YKK AP Yatsushiro, before joining the Tonami team in 2010. Sonoda was part of the national team that won the 2014 Thomas Cup. He captured his first Superseries title at the 2016 Hong Kong Open, and reached a career high of world number 2 in the men's doubles partnered with Takeshi Kamura in January 2017.
Anthony Sinisuka Ginting is an Indonesian badminton player. He first rose to prominence when he won the bronze medal at the 2018 Asian Games. At the 2020 Olympics, he won bronze in the men's singles event. He became the first Youth Olympic badminton medalist to win a medal at the Olympics, having also won bronze in 2014. Ginting was part of Indonesia winning team at the 2020 Thomas Cup.
Kento Momota is a Japanese badminton player. He is known to have a skillful and relentless play style on court. He has won several major badminton tournaments including two World Championships titles, two Asian Championships titles, and one All England title. Momota entered into Guinness Book of World Records for "The most badminton men's singles titles in a season", for his achievements by winning 11 titles in the 2019 season.
Angus Ng Ka Long is a badminton player from Hong Kong. He has a career-high ranking of 6th in the men's singles discipline. He won the 2016 Hong Kong Super Series, the 2020 Thailand Masters and the 2023 German Open.
Choi Sol-gyu is a South Korean badminton player. He was a part of the Korean national team that won the 2017 Sudirman Cup.
Daniel Vasconcellos Paiola is a Brazilian badminton player. He became the first Brazilian badminton player to win an individual medal in the Pan American Games when he won a bronze in the men's singles event at the 2011 Games, losing in the semi-finals to Guatemalan Kevin Cordón. He has medaled ten at the Pan American Badminton Championships, and is a one-time national champion.
Yuta Watanabe is a Japanese badminton player. He is a member of the Nihon Unisys team, and national team A representative. Known for his quick and explosive movements with signature drop shots on court, Watanabe has won the mixed doubles bronze medal at the 2020 Summer Olympics, as well as being three-times BWF World Championships medalists.
Wang Tzu-wei is a Taiwanese badminton player. He won his first international title at the 2014 New Zealand Open tournament. Wang competed at the 2017 Summer Universiade, where he won the gold medals in the men's singles and team events. He also competed at the 2018 Asian Games and 2020 Summer Olympics.
Miha Ivanič is a Slovenian badminton player. He started his career in badminton when he was in the elementary school, and trained at the Medvode club. Partnered with Nika Arih, he won a bronze medal at the 2017 European Junior Championships in the mixed doubles event. He competed at the 2018 Mediterranean Games and 2019 European Games.
Chico Aura Dwi Wardoyo is an Indonesian badminton player. He was a World junior silver medalist in 2016 and Asian Championships bronze medalist in 2022. Dwi Wardoyo also part of Indonesia winning team at the 2020 Thomas Cup.
Lakshya Sen is an Indian badminton player. Sen is a former world junior no. 1. He has won gold medals at the 2018 Asian Junior Championships in the boys' singles and at the Summer Youth Olympics in the mixed team event. He won the bronze medal at the 2021 World Championships and was runner-up at the 2022 All England Open. Sen was also a part of the Indian team which won the Thomas Cup 2022. He also won the gold medal at the 2022 Commonwealth Games held in Birmingham in men's singles badminton.
Samatcha Tovannakasem is a Thai male badminton player. In 2015, he won the Turkey International Series tournament in the men's doubles event partnered with Gergely Krausz of Hungary.
There are 172 quota places available for qualification for badminton at the 2020 Summer Olympics. The Olympic qualification period takes place between April 29, 2019 and April 25, 2021, and the Badminton World Federation rankings list, scheduled to publish on June 15, 2021, will be used to allocate spots. Nations can enter a maximum of two players each in the men's and women's singles if both are ranked in the world's top 16; otherwise, one quota place until the roster of thirty-eight players has been completed. Similar regulations also apply to the players competing in the doubles, as the NOCs can enter a maximum of two pairs if both are ranked in the top eight, while the remaining NOCs are entitled to one until the quota of 16 highest-ranked pairs is filled.
The 2021 BWF season was the overall badminton circuit organized by the Badminton World Federation (BWF) for the 2021 badminton season to publish and promote the sport. The world badminton tournament in 2021 consisted of:
1. BWF tournaments
Patrick Bjerregaard 
Runner-up
Ade Resky Dwicahyo 
Niluka Karunaratne 
Winner
Karnphop Atthaviroj 
Konstantin Abramov 
Ashkan Fesahati 