| Year: | 1975 |
| League: | NSWRFL |
| League Rank: | 8th |
| Cup: | Challenge Cup |
| League Wins: | 9 |
| League Draws: | 1 |
| League Losses: | 12 |
| Points For: | 370 (68 tries, 83 goals) |
| Points Against: | 375 (68 tries, 85 goals, 1 field goal) |
| Ceo Title: | CEO |
| Coach: | Johnny Raper |
| Captain: | Greg Pierce John Maguire |
| Stadium: | Endeavour Field |
| Avg Attendance: | 9,213 |
| Top Tries: | Dave Chamberlin (9) |
| Top Goals: | Steve Rogers (66) |
| Top Points: | Steve Rogers (156) |
| Prev Season: | 1974 |
| Next Season: | 1976 |
The 1975 Cronulla-Sutherland Sharks season was the ninth in the club's history. They competed in the NSWRFL's 1975 Premiership as well as the 1975 Amco Cup.
| width=20 abbr="Position×" | width=175 | Team | width=20 abbr="Played" | Pld | width=20 abbr="Won" | W | width=20 abbr="Drawn" | D | width=20 abbr="Lost" | L | width=20 abbr="Points for" | PF | width=20 abbr="Points against" | PA | width=20 abbr="Points difference" | PD | width=20 abbr="Points" | Pts | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Eastern Suburbs | 22 | 20 | 0 | 2 | 431 | 198 | +233 | 40 | ||||||||||
| 2 | Manly-Warringah | 22 | 15 | 0 | 7 | 439 | 314 | +125 | 30 | ||||||||||
| 3 | St. George | 22 | 12 | 2 | 8 | 341 | 294 | +47 | 26 | ||||||||||
| 4 | Canterbury-Bankstown | 22 | 11 | 2 | 9 | 330 | 287 | +43 | 24 | ||||||||||
| 5 | Western Suburbs | 22 | 10 | 2 | 10 | 365 | 289 | +76 | 21 | ||||||||||
| 6 | Parramatta | 22 | 10 | 1 | 11 | 391 | 373 | +18 | 21 | ||||||||||
| 7 | Balmain | 22 | 10 | 1 | 11 | 288 | 357 | -69 | 21 | ||||||||||
| 8 | Cronulla-Sutherland | 22 | 9 | 1 | 12 | 370 | 375 | -5 | 19 | ||||||||||
| 9 | North Sydney | 22 | 9 | 0 | 13 | 322 | 414 | -92 | 18 | ||||||||||
| 10 | Newtown Jets | 22 | 7 | 2 | 13 | 349 | 422 | -73 | 16 | ||||||||||
| 11 | Penrith | 22 | 7 | 1 | 14 | 312 | 452 | -140 | 15 | ||||||||||
| 12 | South Sydney | 22 | 6 | 0 | 16 | 298 | 461 | -163 | 12 | ||||||||||