| Old Wimbledonians Footbal Club |
Running |
London, United Kingdom |
| Old Yardleians |
Running |
West Midlands, United Kingdom |
| Oldbury United |
Go Karting |
West Midlands, United Kingdom |
| Oldershaw |
Running |
North West England, United Kingdom |
| Oldfield Old Boys Rugby Football Club |
Running |
South West England, United Kingdom |
| Oldham Aquatics Swim Team |
Swimming |
North West England, United Kingdom |
| Oldham Athletic FC |
Go Karting |
North West England, United Kingdom |
| Oldham Baseball Club |
Baseball |
North West England, United Kingdom |
| Oldham CC |
Cricket |
North West England, United Kingdom |
| Ole Northamptions |
Running |
East Midlands, United Kingdom |
| Ollerton |
Running |
East Midlands, United Kingdom |
| OLMC Mount Pritchard |
Rugby Sevens |
New South Wales, Australia |
| Olney Town |
Go Karting |
South East England, United Kingdom |
| OLOL St Michaels Baulkham Hills |
Rugby Sevens |
New South Wales, Australia |
| OLOR Netball Club |
Netball |
New South Wales, Australia |
