1950 South Australian state election
State elections were held in South Australia on 4 March 1950. All 39 seats in the South Australian House of Assembly were up for election. The incumbent Liberal and Country League led by Premier of South Australia Thomas Playford IV defeated the Australian Labor Party led by Leader of the Opposition Mick O'Halloran.
Background
Only one seat changed hands, rural Stanley saw the Labor member re-elected as an independent member. Notably, neither major party contested the independent-held seat of Ridley.Post-election pendulum
| Labor seats | - | - | - |
| Marginal | - | - | - |
| Murray | Richard McKenzie | ALP | 0.8% |
| Gawler | Leslie Duncan | ALP | 4.2% |
| Goodwood | Frank Walsh | ALP | 4.5% |
| Fairly safe | - | - | - |
| Adelaide | Sam Lawn | ALP | 6.5% v IND |
| Wallaroo | Hughie McAlees | ALP | 8.1% |
| Safe | - | - | - |
| Semaphore | Harold Tapping | ALP | 30.5% v IND |
| Port Adelaide | James Stephens | ALP | 40.2% v COM |
| Stuart | Lindsay Riches | ALP | 42.8% v COM |
| Port Pirie | Charles Davis | ALP | undistributed |
| Frome | Mick O'Halloran | ALP | unopposed |
| Hindmarsh | Cyril Hutchens | ALP | unopposed |
| Thebarton | Fred Walsh | ALP | unopposed |
| Crossbench seats | - | - | - |
| Stanley | Percy Quirke | IND | 10.0% v LCL |
| Chaffey | William MacGillivray | IND | 10.7% v LCL |
| Mount Gambier | John Fletcher | IND | 14.4% v ALP |
| Ridley | Tom Stott | IND | unopposed |