Vietnam qualified two players based on the Badminton Junior World Rankings.
[1][2] Vietnam qualified one boxer based on its performance at the 2017 Youth Women's World Boxing Championships.
[citation needed] Vietnam qualified one dancer based on its performance at the 2018 World Youth Breaking Championship.
[4] Nguyễn Văn Khánh Phong and Phạm Như Phương qualified on their performance at the 2018 Junior Artistic Asian Championships, Indonesia.
[5] Nguyễn Huy Hoàng, Phạm Thành Bảo and Vũ Thị Phương Anh qualified.