| Name | Club | E1 | Pld | New | +/- |
|---|---|---|---|---|---|
| David O'Donnell | Cardiff | 2009 | 9 | 1984 | -25 |
| Kevin O'Rourke | Caerphilly | 1321 | 18 | 1292 | -29 |
| Huw Oliver | Aberdare | 2047 | 0 | 2047 | 0 |
| Matthew Orchardgrove | Bridgend | 1000 | 1 | 997 | -3 |
| Bob Owen | Bridgend | 1453 | 9 | 1446 | -7 |
| Neil Owen | Caerphilly | 1724 | 4 | 1718 | -6 |
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