Aaron Chia Teng Fong KMW BCM (born 24 February 1997) is a Malaysian badminton player. A world champion, an Asian champion and a double bronze medalist at the Olympic Games, he and his partner Soh Wooi Yik became the first ever world badminton champions from Malaysia after winning the men's doubles title at the 2022 World Championships. Together, they also won a gold medal at the 2019 SEA Games and 2025 Asian Championships, a silver medal at the 2022 Asian Championships, as well as bronze medals at the 2020 and 2024 Summer Olympics, 2022 Commonwealth Games, 2023 World Championships, 2022 Asian Games and 2024 Asian Championships. They are also the first Malaysian men’s doubles pair to win consecutive medals at the Olympic Games.

Chia was born in Batu Berendam, Melaka to Malaysian Chinese parents, Chan Mee Kee and Chia Boon Foo. He is the second of three siblings. His interest in badminton began at the age of four when he often followed his father to the badminton court. Chia represented Melaka when he was just 11 years old. At the age of 14, he managed to enter Bukit Jalil Sports School (SSBJ) and started training with the Badminton Association of Malaysia (BAM) when he was in Form 5.

Chia is married to Goh Mui Kee and the couple has two daughters.

He has joined the national team since 2015.

In September, Chia partnered Soh Wooi Yik and reached the final of Malaysia Junior International, finishing as runners-up.

In November, the duo competed at the 2015 World Junior Championships but crashed out in the fourth round.

In October 2016, he and his partner Wong Wai Jun were the runners-up at the Swiss International.

Before the end of the 2017 season, Chia reunited with Soh and managed to qualify for the finals of the India International.