Sport: Running

Ormskirk

Orpington RFC

Orrell Anvils

Ospreys Rugby Club

Ossett RUFC

Old Streetonians R.F.C

Old Tiffinians RFC

Old Tottonians

Old Walcountians

Old Wellingtonians R.F.C

Old Wheatleyans

Old Whitgitians

Old Williamsonians RFC

Old Wimbledonians Footbal Club

Old Yardleians