Bolivia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.

Bolivia qualified a boys' and girls' team based on their overall ranking from the South American Youth Tour.

[1] Bolivia qualified a mixed BMX racing team based on its ranking in the Youth Olympic Games BMX Junior Nation Rankings.

[2] Bolivia qualified a rider based on its ranking in the FEI World Jumping Challenge Rankings.

[3] Bolivia qualified one gymnast based on its performance at the 2018 American Junior Championship.