The Oceania Swimming Association is the continental body recognised by FINA, the International Swimming Federation, for the national governing bodies of Swimming, Open Water Swimming, Diving, High Diving, Water Polo, Synchronised Swimming and Masters Swimming in Oceania.
Current members are American Samoa, Australia, Cook Islands, Fiji, Federated States of Micronesia, Guam, Marshall Islands, Northern Marianas, New Zealand, Palau, Papua New Guinea, Samoa, Tonga and Vanuatu. Hawaii, New Caledonia and Tahiti are recognised as associate members of the OSA.
The Oceania Swimming Association was established in 1991 on the occasion of the FINA World Swimming Championships in Perth, Australia.
Current Executive Committee Members are:
- President: Mr. Dennis Miller (FIJ) FINA Vice President
- Hon. Secretary: Mr. Ron Clarke (NZ)
- Hon. Treasurer: Ms Liz Wells (PNG)
- Members: Judy Otto (PLW) and Matthew Dunn (AUS) FINA Bureau Member
OSA has coordinated the following Oceania Continental Championships:
- 1993: Noumea, New Caledonia
- 1997: Brisbane, QLD, Australia
- 2000: Christchurch, New Zealand
- 2002: Noumea, New Caledonia
- 2004: Suva, Fiji
- 2006: Cairns, QLD, Australia
- 2008: Christchurch, New Zealand
- 2010: Apia, Samoa
- 2012: Noumea, New Caledonia
- 2014: Auckland, New Zealand
- 2016: Suva, Fiji
- 2018: Port Moresby, Papua New Guinea