This is a list of members of the South Australian Legislative Council from 1956 to 1959.
| Name | District | Party | Term expiry | Time in office |
|---|---|---|---|---|
| Ernest Anthoney | Central No. 2 | LCL | 1959 | 1941–1959 |
| Ken Bardolph | Central No. 1 | Labor | 1959 | 1941–1964 |
| Stan Bevan | Central No. 1 | Labor | 1959 | 1951–1970 |
| Jack Bice | Southern | LCL | 1959 | 1941–1959 |
| Frank Condon | Central No. 1 | Labor | 1962 | 1928–1961 |
| John Lancelot Cowan | Southern | LCL | 1959 | 1949–1959 |
| Sir Collier Cudmore | Central No. 2 | LCL | 1959 | 1933–1959 |
| Leslie Harold Densley | Southern | LCL | 1962 | 1944–1967 |
| Sir Walter Gordon Duncan | Midland | LCL | 1962 | 1918–1962 |
| Harry Edmonds | Northern | LCL | 1962 | 1944–1962 |
| Norman Jude | Southern | LCL | 1962 | 1944–1971 |
| Sir Lyell McEwin | Northern | LCL | 1962 | 1934–1975 |
| Alexander Melrose | Midland | LCL | 1959 | 1941–1962 |
| Sir Frank Perry | Central No. 2 | LCL | 1962 | 1947–1965 |
| William Walsh Robinson | Northern | LCL | 1959 | 1953–1965 |
| Colin Rowe | Midland | LCL | 1959 | 1948–1970 |
| Sir Arthur Rymill | Central No. 2 | LCL | 1962 | 1956–1975 |
| Bert Shard | Central No. 1 | Labor | 1962 | 1956–1975 |
| Ross Story | Midland | LCL | 1962 | 1955–1975 |
| Robert Richard Wilson | Northern | LCL | 1959 | 1949–1965 |