Listed below are the Clubs affiliated with the ONB in 2022 and their websites:
| Club | Website |
| 4 Shires Swimming Club | www.4ssc.co.uk |
| Abingdon Vale Swimming Club | www.avsc.co.uk |
| Aylesbury & District Swimming Club | www.adsc.org.uk |
| Banbury Swimming Club | www.banburyswim.co.uk |
| Bicester Bluefins Swimming Club | www.bluefins.org.uk |
| Bletchley & District Swimming Club | www.bletchleyswim.com |
| Bourne End Swimming Club | www.bejsc-swimming.org.uk |
| Buckingham Swans Swimming Club | www.buckinghamswanssc.co.uk |
| City of Milton Keynes Swimming Club | www.cmksc.com |
| City of Oxford Swimming Club | www.oxfordswim.com |
| City of Oxford Water Polo Club | www.oxfordwaterpolo.co.uk |
| Didcot Barramundi Swimming Club | www.didcotbarramundi.com |
| Henley Leisure Swimming Club | |
| Henley Swimming Club | www.henleyswimmingclub.org.uk |
| Henley Synchronised Swimming Club | www.henleysynchronisedswimmingclub.org |
| InSynch Synchro Club, Milton Keynes | |
| Kidlington & Gosford Swimming Club | www.kgsc.co.uk |
| Maxwell Swimming Club | www.maxwellswimclub.org |
| Newport Pagnell Swimming Club | www.npswim.co.uk |
| Oxford Brookes University Swimming Club | |
| Oxford University Swimming Club | www.ousc.info |
| Oxford University Water Polo Club | www.ouwpc.org |
| Sunflower Swimming Club - Oxford | Please contact via ONB Sec |
| Thame Swimming Club | www.thameswimmingclub.co.uk |
| Wantage White Horses | www.wwhsc.co.uk |
| Wantage Youth Swimming Club | |
| Witney & District Swimming Club | www.witneyanddistrictsc.org |
| Oxford and Witney Artistic Swimming Club | www.witneysynchro.co.uk |
| Witney Waterpolo Club | witneywaterpolo.org.uk |
