The 1973 Brisbane Rugby League season was the 65th season of the Brisbane Rugby League premiership. Eight teams from across Brisbane competed for the premiership, which culminated in Fortitude Valley defeating Redcliffe 15–7 in the grand final.
Teams played each other three times, with 21 rounds of competition played. It resulted in a top four of Fortitude Valley, Eastern Suburbs, Northern Suburbs and Redcliffe.
| Team | Pld | W | D | L | PF | PA | PD | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Fortitude Valley | 21 | 15 | 1 | 5 | 393 | 267 | +126 | 31 | |
| 2 | Eastern Suburbs | 21 | 12 | 2 | 7 | 399 | 320 | +79 | 26 | |
| 3 | Northern Suburbs | 21 | 12 | 1 | 8 | 399 | 289 | +110 | 25 | |
| 4 | Redcliffe | 21 | 12 | 0 | 9 | 368 | 255 | +113 | 24 | |
| 5 | Past Brothers | 21 | 10 | 1 | 10 | 383 | 354 | +29 | 21 | |
| 6 | Western Suburbs | 21 | 8 | 1 | 12 | 354 | 359 | -5 | 17 | |
| 7 | Southern Suburbs | 21 | 8 | 1 | 12 | 309 | 401 | -92 | 17 | |
| 8 | Wynnum-Manly | 21 | 3 | 1 | 17 | 247 | 607 | -360 | 7 |
| Home | Score | Away | Match Information | |||
|---|---|---|---|---|---|---|
| Date and Time | Venue | Referee | ||||
| Semi-finals | ||||||
| Redcliffe | 25-9 | Northern Suburbs | 26 August 1973 | Lang Park | Bernie Pramberg | |
| Fortitude Valley | 35-7 | Eastern Suburbs | 2 September 1973 | Lang Park | Henry Albert | |
| Preliminary Final | ||||||
| Redcliffe | 33-8 | Eastern Suburbs | 9 September 1973 | Lang Park | Bernie Pramberg | |
| Grand Final | ||||||
| Fortitude Valley | 15-7 | Redcliffe | 16 September 1973 | Lang Park | Bernie Pramberg | |