The 1971 Brisbane Rugby League season was the 63rd season of the Brisbane Rugby League premiership. Eight teams from across Brisbane competed for the premiership, which culminated in Fortitude Valley defeating Eastern Suburbs 18–10 in the grand final in front of a record crowd of 37,957. This was Valleys' third consecutive grand final appearance and their second consecutive premiership.
| Team | Pld | W | D | L | PF | PA | PD | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Fortitude Valley | 21 | 15 | 2 | 4 | 412 | 256 | +156 | 32 | |
| 2 | Southern Suburbs | 21 | 14 | 0 | 7 | 434 | 299 | +135 | 28 | |
| 3 | Eastern Suburbs | 21 | 13 | 1 | 7 | 382 | 298 | +84 | 27 | |
| 4 | Northern Suburbs | 21 | 12 | 1 | 8 | 316 | 309 | +7 | 25 | |
| 5 | Western Suburbs | 21 | 9 | 1 | 11 | 378 | 305 | +73 | 19 | |
| 6 | Past Brothers | 21 | 8 | 2 | 11 | 319 | 310 | +9 | 18 | |
| 7 | Redcliffe | 21 | 5 | 2 | 14 | 284 | 404 | -120 | 12 | |
| 8 | Wynnum-Manly | 21 | 3 | 1 | 17 | 263 | 537 | -274 | 7 |
| Home | Score | Away | Match Information | ||||
|---|---|---|---|---|---|---|---|
| Date and Time | Venue | Referee | Crowd | ||||
| Semi-finals | |||||||
| Eastern Suburbs | 21-11 | Northern Suburbs | 29 August 1971 | Lang Park | Henry Albert | ||
| Fortitude Valley | 12-8 | Southern Suburbs | 5 September 1971 | Lang Park | Ron Mison | 20,000 | |
| Preliminary Final | |||||||
| Eastern Suburbs | 19-11 | Southern Suburbs | 12 September 1971 | Lang Park | Ron Harbottle | 24,000 | |
| Grand Final | |||||||
| Fortitude Valley | 18-10 | Eastern Suburbs | 19 September 1971 | Lang Park | Ron Harbottle | 37,957 | |