The three men, aged 36, 35 and 23 are expected to appear before Coleraine Magistrates Court on Wednesday.
The 23-year old-man has been charged with two counts of sexual activity with a child, one count of sexual assault on a woman and voyeurism.
The 35-year-old man has been charged with two counts of causing sexual activity with a child.
The 36-year-old man has been charged with one count of sexual assault against a woman.
The BBC understands Northern Ireland Sports Minister Caral Ni Chuilin called an emergency meeting with Sport NI and a PR company.
Update The latest BBC report corrects the ages of those charged
Faisal Hammash, 35, a trainer with the squad, faces two counts of causing a child to engage in sexual activity.
Power-lifter Omar Sami Qaradhi, 31, is charged with three counts of sexual assault and one of voyeurism. At least two of the assaults were against children.
Motaz Al-Junad, 45, also a power-lifter, faces one charge of sexual assault. All the offences took place between 16 and 20 August.