| Teamname: | 2004–05 Munster Rugby season |
| Ground: | Thomond Park (Capacity: 13,200) Musgrave Park (Capacity: 8,300) |
| Position: | 2nd |
| Nextseason: | 2005–06 |
The 2004–05 Munster Rugby season was Munster's fourth season competing in the Celtic League, alongside which they also competed in the Heineken Cup. It was Alan Gaffney's second and final season as head coach.
See main article: article and 2004–05 Celtic League.
| Team | Pld | W | D | L | PF | PA | PD | TF | TA | Try bonus | Losing bonus | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 20 | 16 | 1 | 3 | 508 | 267 | +241 | 53 | 27 | 7 | 3 | 76 | ||
| 2 | 20 | 15 | 1 | 4 | 470 | 331 | +139 | 54 | 33 | 6 | 1 | 69 | ||
| 3 | 20 | 12 | 1 | 7 | 455 | 350 | +105 | 46 | 32 | 4 | 3 | 57 | ||
| 4 | 20 | 11 | 0 | 9 | 381 | 436 | -55 | 39 | 43 | 4 | 2 | 50 | ||
| 5 | 20 | 9 | 0 | 11 | 402 | 446 | -44 | 48 | 42 | 7 | 3 | 46 | ||
| 6 | 20 | 8 | 1 | 11 | 465 | 466 | -1 | 40 | 58 | 4 | 7 | 45 | ||
| 7 | 20 | 9 | 0 | 11 | 409 | 407 | +2 | 47 | 40 | 4 | 4 | 44 | ||
| 8 | 20 | 9 | 0 | 11 | 363 | 387 | -24 | 37 | 34 | 2 | 5 | 43 | ||
| 9 | 20 | 8 | 1 | 11 | 350 | 404 | -54 | 35 | 41 | 2 | 4 | 40 | ||
| 10 | 20 | 7 | 1 | 12 | 317 | 407 | -90 | 32 | 46 | 2 | 5 | 37 | ||
| 11 | 20 | 3 | 0 | 17 | 337 | 556 | -219 | 31 | 66 | 2 | 4 | 18 | ||
| Source: RaboDirect PRO12 | ||||||||||||||
See main article: article and Celtic Cup (rugby union).
See main article: article and 2004–05 Heineken Cup.
| Team | P | W | D | L | Tries for | Tries against | Try diff | Points for | Points against | Points diff | TB | LB | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Munster (5) | 6 | 5 | 0 | 1 | 12 | 4 | 8 | 121 | 74 | 47 | 1 | 1 | 22 | |
 Castres | 6 | 3 | 1 | 2 | 16 | 13 | 3 | 157 | 121 | 36 | 2 | 0 | 16 | |
| Neath-Swansea Ospreys | 6 | 3 | 0 | 3 | 11 | 10 | 1 | 135 | 115 | 20 | 1 | 1 | 14 | |
| NEC Harlequins | 6 | 0 | 1 | 5 | 7 | 19 | -12 | 81 | 184 | -103 | 0 | 1 | 3 |