Alex Yuwan Tjong (born 1 March 1991) is a Brazilian male badminton player.
He started playing badminton in his hometown in 1997 because his dad took him and his brothers to play badminton on a weekend, and in 2004 he selected to join the Brazil national badminton team.
In 2015, he competed at the Pan American Games and won a bronze in the mixed doubles event partnered with Lohaynny Vicente.