| Name | Club | E1 | Pld | New | +/- |
|---|---|---|---|---|---|
| Mike Servini | Penarth | 1601 | 8 | 1605 | +4 |
| Joseph Setchfield | Cardiff | 1000 | 4 | 1035 | +35 |
| Martin Sewell | Cardiff | 1912 | 0 | 1912 | 0 |
| Clive Silver | Caerphilly | 1597 | 9 | 1599 | +2 |
| Len Skinner | Bridgend | 1550 | 9 | 1560 | +10 |
| Peter Slater | North Cardiff | 1726 | 8 | 1674 | -52 |
| Derek Smith | Cardiff | 1967 | 8 | 1925 | -42 |
| Olivia Smith | Cardiff | 2071 | 14 | 2087 | +16 |
| Alan Spice | Cardiff | 2150 | 26 | 2144 | -6 |
| Allan St.Clair | Barry | 1922 | 13 | 1941 | +19 |
| Kevin Staveley | Pontypridd | 1564 | 3 | 1575 | +11 |
| Dan Stevenson | Caerphilly | 1280 | 0 | 1280 | 0 |
| Jimmy Stewart | North Cardiff | 1798 | 9 | 1796 | -2 |
| Neil Stuart | Bridgend | 1769 | 19 | 1734 | -35 |
| David Sully | Penarth | 2098 | 26 | 2134 | +36 |
| Charles Summers | Cardiff | 1995 | 15 | 2000 | +5 |