- AIDA France
 - Dedicated to the discipline of freediving. Site in French. - AIDA International
- International Assoication for Development of Apnea dedicated for breath-hold diving or apnea which manages and oversees the recognition of records, organizes competitions, and sets standards for freedive education.
- Canadian Association of Freediving and Apnea (CAFA)
- Promotes and develops recreational and competitive freediving within Canada and abroad.
- F.R.E.E. - Freediving Regulations & Education Entity
- Organizes and promotes freediving competitions worldwide. Also offers advanced, master, and instructor training programs for freediving.
- Freediving Team of Finland
- Organization dedicated to apnea sports in Finland. Site in Finnish.
- Hvidovre Freediving Club (HFK)
- Freediving club in Copenhagen offering static apnea, dynamic apnea, and constant weight apnea training. Site in Danish.
- Japan Apnea Society
- Dedicated to apnea sports in Japan including deep free diving, underwater target shooting, spear fishing, underwater hockey, and underwater photography.
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