This is a list of members of the South Australian Legislative Council from 1973 to 1975.
| Name | District | Party | Term expires | Time in office |
|---|---|---|---|---|
| Don Banfield | Central No. 1 | Labor | 1979 | 1965–1979 |
| John Burdett [1] | Southern | Liberal | 1979 | 1973–1993 |
| Martin Cameron | Southern | Liberal Movement | 1975 | 1971–1990 |
| Tom Casey | Central No. 1 | Labor | 1979 | 1970–1979 |
| Brian Chatterton | Midland | Labor | 1979 | 1973–1987 |
| Jessie Cooper | Central No. 2 | Liberal | 1979 | 1959–1975 |
| Cec Creedon | Midland | Labor | 1979 | 1973–1985 |
| Boyd Dawkins | Midland | Liberal | 1975 | 1962–1982 |
| Ren DeGaris | Southern | Liberal | 1979 | 1962–1985 |
| Richard Geddes | Northern | Liberal | 1979 | 1965–1979 |
| Gordon Gilfillan | Northern | Liberal | 1975 | 1962–1975 |
| Murray Hill | Central No. 2 | Liberal | 1975 | 1965–1988 |
| Henry Kemp [1] | Southern | Liberal | 1979 | 1964–1973 |
| Frank Kneebone | Central No. 1 | Labor | 1975 | 1961–1975 |
| Sir Lyell McEwin | Northern | Liberal | 1975 | 1934–1975 |
| Frank Potter | Central No. 2 | Liberal | 1979 | 1959–1978 |
| Sir Arthur Rymill | Central No. 2 | Liberal | 1975 | 1956–1975 |
| Bert Shard | Central No. 1 | Labor | 1975 | 1956–1975 |
| Victor George Springett | Southern | Liberal | 1975 | 1967–1975 |
| Ross Story | Midland | Liberal | 1975 | 1955–1975 |
| Arthur Whyte | Northern | Liberal | 1979 | 1966–1985 |
- 1 LCL MLC Henry Kemp died on 29 June 1973. John Burdett was elected to fill the vacancy on 11 August.