| Name | Club | E1 | Pld | New | +/- |
|---|---|---|---|---|---|
| Krzysztof Jakubiak | Cardiff | 859 | 0 | 859 | 0 |
| Dai James | Pontypridd | 1913 | 0 | 1913 | 0 |
| Jonathan James | Nelson | 2014 | 0 | 2014 | 0 |
| Wayne James | Porthcawl | 1480 | 0 | 1480 | 0 |
| Roger Jenkins | Pontypridd | 1378 | 0 | 1378 | 0 |
| David Jiles | Penarth | 1918 | 0 | 1918 | 0 |
| Richard Jiles | Penarth | 889 | 0 | 889 | 0 |
| Michael John | Bridgend | 756 | 0 | 756 | 0 |
| Dennis Jones | Caerphilly | 1668 | 0 | 1668 | 0 |
| Derek Jones | Pontypridd | 1967 | 0 | 1967 | 0 |
| Gruff Jones | Cardiff | 1544 | 0 | 1544 | 0 |
| Iolo Jones | Caerphilly | 1350 | 0 | 1350 | 0 |
| Jeremy Jones | Nelson | 1635 | 0 | 1635 | 0 |
| Mark Jones | Bridgend | 1795 | 0 | 1795 | 0 |
| Martin Jones | Caerphilly | 1588 | 0 | 1588 | 0 |
| Mike Jones | Pontypridd | 1627 | 0 | 1627 | 0 |
| Phil Jones | Barry | 1364 | 0 | 1364 | 0 |
| Richard Jones | Bridgend | 1699 | 0 | 1699 | 0 |
| Mike Joslin | Caerphilly | 1405 | 0 | 1405 | 0 |
| Sam Jukes | Barry | 892 | 0 | 892 | 0 |