The table below shows Merthyr Town's overall record against each of their former football league opponents.
| Opposition | P | W | D | L | F | A |
|---|---|---|---|---|---|---|
| Aberdare Athletic | 12 | 2 | 7 | 3 | 8 | 10 |
| Arsenal | 1 | 0 | 0 | 1 | 0 | 3 |
| Bournemouth and Boscombe Athletic | 15 | 3 | 3 | 9 | 21 | 33 |
| Brentford | 20 | 9 | 6 | 5 | 33 | 26 |
| Brighton and Hove Albion | 20 | 8 | 3 | 9 | 26 | 38 |
| Bristol City | 9 | 1 | 1 | 7 | 7 | 18 |
| Bristol Rovers | 21 | 3 | 8 | 10 | 23 | 35 |
| Charlton Athletic | 18 | 6 | 5 | 7 | 18 | 18 |
| Coventry City | 14 | 7 | 5 | 2 | 26 | 24 |
| Crystal Palace | 12 | 3 | 3 | 6 | 18 | 26 |
| Dulwich Hamlet | 1 | 1 | 0 | 0 | 4 | 2 |
| Exeter City | 20 | 5 | 4 | 11 | 29 | 39 |
| Fulham | 4 | 1 | 0 | 3 | 11 | 14 |
| Gillingham | 20 | 6 | 5 | 9 | 22 | 30 |
| Grimsby Town | 2 | 1 | 1 | 0 | 4 | 2 |
| Leyton | 1 | 0 | 0 | 1 | 1 | 4 |
| Leyton Orient | 2 | 0 | 0 | 2 | 0 | 2 |
| Luton Town | 20 | 5 | 4 | 11 | 22 | 39 |
| Millwall | 16 | 4 | 4 | 8 | 11 | 27 |
| Newport County | 20 | 8 | 4 | 8 | 36 | 45 |
| Northampton Town | 20 | 6 | 4 | 10 | 22 | 39 |
| Norwich City | 20 | 3 | 6 | 11 | 18 | 39 |
| Plymouth Argyle | 20 | 2 | 6 | 12 | 15 | 37 |
| Portsmouth | 8 | 3 | 3 | 2 | 11 | 8 |
| Queens Park Rangers | 22 | 5 | 6 | 11 | 24 | 46 |
| Reading | 12 | 3 | 4 | 5 | 12 | 18 |
| Southampton | 10 | 0 | 4 | 6 | 5 | 25 |
| Southend United | 20 | 7 | 3 | 10 | 30 | 42 |
| Swansea Town | 11 | 2 | 2 | 7 | 7 | 20 |
| Swindon Town | 20 | 6 | 4 | 10 | 35 | 47 |
| Torquay United | 6 | 2 | 1 | 3 | 11 | 15 |
| Walsall | 6 | 2 | 2 | 2 | 9 | 14 |
| Watford | 21 | 6 | 4 | 11 | 28 | 45 |
| West Ham United | 4 | 1 | 1 | 2 | 9 | 8 |
| Wolverhampton Wanderers | 1 | 0 | 0 | 1 | 0 | 1 |