| Oadby & Wigston Swimming Club |
Swimming |
East Midlands, United Kingdom |
| Oadby Wyggestonians RFC |
Running |
East Midlands, United Kingdom |
| Oakbank Racing Club |
Fishing |
South Australia, Australia |
| Oakdale Netball Club |
Netball |
South Australia, Australia |
| Oakham RFC |
Running |
East Midlands, United Kingdom |
| Oakham Tennis Club |
Tennis |
East Midlands, United Kingdom |
| Oakleigh Cannons FC |
Go Karting |
Victoria, Australia |
| Oakleigh Kart Club |
MTB |
Australia |
| Oakleigh Park Lawn Tennis and Squash Club |
Squash |
London, United Kingdom |
| Oakville Raiders |
Baseball |
New South Wales, Australia |
| Oasis Sports and Leisure Club |
Squash |
East England, United Kingdom |
| Oatley RSL Youth Club Inc |
Hockey |
New South Wales, Australia |
| Oban Lorne Rugby Football Club |
Running |
Scotland, United Kingdom |
| Oblivion |
Sports Acrobatics |
London, United Kingdom |
| Obo Goalkeeping |
Horse Racing |
New Zealand |
