List of Famous people born on August 21st

Jang Young-soo is a South Korean badminton player. He was the gold medalists at the 2002 Busan Asian Games. Jang who educated at the Inha University won the men's singles title at the Summer National Championships in 2003. He later won the 51st and 55th National Championships men's singles title. He won his first international title at the 2003 Hungarian International tournament. In December 2018, Jang who is a trainer in Gimcheon city, was appointed as a South Korea national coach.

Humberto Contreras is a Mexican figure skater. He is a four-time Mexican National Champion. He is also the first Mexican skater to have performed a triple Salchow-triple Loop combination in competition.

Carlos Manuel Guimarães Oliveira Pinto, better known as Carlos Guimarães Pinto, is a Portuguese economist, author, university professor, think tank executive, blogger and politician. A prominent member of the Liberal Initiative, on October 13, 2018, he became the president of the party, a position he left on December 8, 2019 being succeeded by João Cotrim de Figueiredo. He is a founder of the think tank +Liberdade, a non-profit institute that promotes democracy, market economy and individual freedom in Portugal. In 2022, he was elected member of the Assembly of the Republic by the Porto electoral district.