Belize competed at the 2018 Summer Youth Olympics, in Buenos Aires, Argentina from October 6th to 18th.
The Belize team consisted of two athletes in two sports, athletics and table tennis. This marked the country's Youth Olympics debut in table tennis. Breann Young was selected to be the country's flag bearer at the opening ceremony.
The following is the list of number of competitors participating at the Games per sport/discipline.
Belize received one wild card to send one girl.
Belize received a wild card spot to send a boy athlete.