| Abbreviation | Definition |
|---|---|
| EOSA | Eastern Ontario Swimming Association |
| ESNV | Eveil Sport Natation Vielsalm |
| ESSA | English Schools Swimming Association |
| ESSL | Empire State Swim League |
| ETOPS | Engine Turns Or Pax Swim |
| ETOPS | Engines Turn Or Passangers Swim |
| ETOPS | Engines Turning or Passengers Swimming |
| FBST | Fort Belvoir Swim Team |
| FCST | First Colony Swim Team |
| FLWS | Freetown Lakeville Warriors Swimming |
| FNSC | Fareham Nomads Swimming Club |
| FRSA | FINA REQUIREMENTS FOR SWIMWEAR APPROVAL |
| FRST | Franklin Regional Swim Team |
| FSPA | Florida Swimming Pool Association |
| FSSL | Frederick Summer Swim League |
| GASA | Grenada Amateur Swimming Association |
| GASA | Grenada Amateur Swimming Association's |
| GASA | Guernsey Amateur Swimming Association |
| GDSA | Greater Dayton Swimming Association |
| GMSC | Gulf Masters Swim Committee |