1956 South Australian state election
State elections were held in South Australia on 3 March 1956. 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.
A redistribution occurred in 1955 based upon the results of the census held in June 1954.
Background
Labor won one seat, rural Murray from the LCL. The LCL won two seats, rural Wallaroo from Labor and rural Chaffey from an independent. An independent won one seat, rural Burra from the LCL.Post-election pendulum
| Labor seats | - | - | - |
| Marginal | - | - | - |
| Murray | Gabe Bywaters | ALP | 1.4% |
| West Torrens | Fred Walsh | ALP | 1.4% |
| Millicent | Jim Corcoran | ALP | 2.3% |
| Frome | Mick O'Halloran | ALP | 4.3% |
| Fairly safe | - | - | - |
| Norwood | Don Dunstan | ALP | 7.2% |
| Safe | - | - | - |
| Enfield | Joe Jennings | ALP | 17.9% |
| Edwardstown | Frank Walsh | ALP | 24.3% v DLP |
| Adelaide | Sam Lawn | ALP | 31.7% v DLP |
| Port Adelaide | James Stephens | ALP | 32.1% v DLP |
| Gawler | John Clark | ALP | unopposed |
| Hindmarsh | Cyril Hutchens | ALP | unopposed |
| Port Pirie | Charles Davis | ALP | unopposed |
| Semaphore | Harold Tapping | ALP | unopposed |
| Stuart | Lindsay Riches | ALP | unopposed |
| Whyalla | Ron Loveday | ALP | unopposed |
| Crossbench seats | - | - | - |
| Burra | Percy Quirke | IND | 1.2% v LCL |
| Mount Gambier | John Fletcher | IND | 6.1% v ALP |
| Ridley | Tom Stott | IND | 11.0% v LCL |