Jaspar Yu Woon Chai

Jaspar Yu Woon Chai (; born 14 November 1988) is a Bruneian badminton player. He achieved a career high ranking of 199 in the men's singles discipline.

It was announced in May 2016 that he was awarded the tripartite commission to compete in the men's singles event at the 2016 Summer Olympics in Rio de Janeiro, Brazil. Yu was the first badminton athlete from Brunei to compete at the Olympics.

Education Jaspar obtained his Bachelor of Arts (BA) with major in Geography and Development from the Universiti Brunei Darussalam (UBD).

Career Jaspar has made a few Superseries appearances at the international stage. In 2019, alongside his partner, they qualified to the main draw of the Badminton Asia Championships after winning the group tie in group B but lost to the eventual bronze medalists Kang Min-hyuk and Kim Won-ho in the first round.

He made his debut at the 2016 Summer Olympics. 2016 Summer Olympics – men's singles Round Opponent Score Result Hu Yun 16–21, 15–21 Lose Pablo Abián 12–21, 10–21 Lose