| Name | Club | E1 | Pld | New | +/- |
|---|---|---|---|---|---|
| Mike Maguire | Pentyrch | 1639 | 4 | 1634 | -5 |
| Dave Mahoney | Barry | 1392 | 4 | 1407 | +15 |
| Tom Martin | North Cardiff | 1141 | 3 | 1121 | -20 |
| Viv Martin | Pentyrch | 1612 | 5 | 1651 | +39 |
| Harshith Maruthireddy | Cardiff | 1336 | 0 | 1336 | 0 |
| Jack Mason | Cardiff | 1043 | 0 | 1043 | 0 |
| Ken Mason | Pontypridd | 1552 | 3 | 1534 | -18 |
| Vicky Massey | Bridgend | 850 | 5 | 829 | -21 |
| Joshua McKenna | Cardiff | 1161 | 3 | 1143 | -18 |
| Mike McLoughlin | Pentyrch | 1298 | 6 | 1284 | -14 |
| Alex Menzies | Cardiff | 1000 | 0 | 1000 | 0 |
| Brenda Miles | Nelson | 1412 | 2 | 1399 | -13 |
| Phil Mitchell | Pontypridd | 1206 | 0 | 1206 | 0 |
| Gareth Morgan | Barry | 1439 | 0 | 1439 | 0 |
| Hugh Morgan | Caerphilly | 1652 | 7 | 1620 | -32 |
| Richard Morgan | Pentyrch | 1381 | 4 | 1378 | -3 |
| Gwilym Moses | Bridgend | 1116 | 1 | 1107 | -9 |
| Stuart Mustoe | Bridgend | 1250 | 3 | 1243 | -7 |
| A-Z |
|---|
| A |
| B |
| C |
| D |
| E |
| F |
| G |
| H |
| I |
| J |
| K |
| L |
| M |
| N |
| O |
| P |
| Q |
| R |
| S |
| T |
| U |
| V |
| W |
| X |
| Y |
| Z |