| Name | Club | E1 | Pld | New | +/- |
|---|---|---|---|---|---|
| Stephen Lambourne | Caerphilly | 1538 | 10 | 1491 | -47 |
| Peter Lancaster | Cardiff | 1550 | 0 | 1550 | 0 |
| Rob Large | Pontypridd | 1562 | 18 | 1426 | -136 |
| Dave A Lewis | Rhondda | 1674 | 7 | 1696 | +22 |
| Dave R Lewis | Pentyrch | 1857 | 7 | 1875 | +18 |
| Konor Lewis | Cardiff | 981 | 0 | 981 | 0 |
| Spencer Lewis | Bridgend | 1100 | 11 | 1092 | -8 |
| Windsor Lewis | Barry | 1277 | 14 | 1206 | -71 |
| Cyril Ley | Pentyrch | 1703 | 7 | 1683 | -20 |
| Steve Lindsay | Pentyrch | 1769 | 8 | 1800 | +31 |
| Matthew Lingham | St John's College | 850 | 6 | 835 | -15 |
| Richard Livermore | Pentyrch | 1544 | 0 | 1544 | 0 |
| David Llewellyn | Aberdare | 1931 | 9 | 1934 | +3 |
| Howard Lloyd | Pontypridd | 1440 | 5 | 1465 | +25 |
| Matthew Lunnon | Pentyrch | 1419 | 7 | 1531 | +112 |
| Aishwarya Lutchman Singh | Cardiff | 850 | 18 | 804 | -46 |
| Karanvir Lutchman Singh | Cardiff | 1062 | 21 | 1140 | +78 |
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