Browse Organisations - C
- Cabra Dominican Convent Boarding House (1868 - 1999)
- Campbell House Farm School, Meningie (1959 - 1963)
- Campbelltown Community Unit (1995 - )
- Cann Cottage (1957 - c. 1977)
- Cann Home (1924 - 1957)
- Carinya Hostel (1973 - 1994)
- Catholic Boys' Hostel, Parkside (1977 - 1979)
- Catholic Family Welfare Bureau (1942 - 1992)
- Catholic Girls' Home Parkside (1930 - 1943)
- Catholic Girls' Reformatory, Kapunda (1897 - 1909)
- Cavan Training Centre (1993 - 2012)
- Cecil Street Cottage (1980s - c. 1995)
- Centacare Catholic Family Services (1992 - )
- Central Depot (1900 - 1965)
- Central Mission Homes for Children Inc
- see Lentara (1960 - 1977)
- Central Region Admission Unit (1979 - 1980)
- Cheltenham Cottage Home (1976 - 1980s)
- Children, Youth and Family Services, Department for Families and Communities (2004 - 2006), South Australian Government
- Children's Court (1895 - 1993)
- Children's Court of South Australia
- see Children's Court (1895 - 1993)
- The Children's Home at Walkerville (1886 - 1904)
- Children's Welfare and Public Relief Board (1927 - 1966)
- Children's Welfare and Public Relief Department (1927 - 1966), South Australian Government
- Christian Brethren/Open Brethren Assemblies of South Australia
- Christies Beach Cottage (1976 - c. 1985)
- Christies Beach Family Home (1975? - 1980)
- Church of England Boys' Home
- see Kennion House (1955 - 1982)
- The Church of England Boys' Home at Walkerville (1903 - 1955)
- Church of England Diocesan Mission House (1945 - 1949)
- Church of England Diocese of Adelaide
- see Anglican Diocese of Adelaide (1847 - )
- Church of England Hostel for Inland Children (1945 - 1946)
- Church of England in Australia and Tasmania (1788 - 1981)
- Church of England Social Welfare Bureau (1947 - 1981)
- The Church of England Youth Hostel Inc
- see Karingal Youth Hostel (1952 - 1964)
- Church Women's Welfare Department
- see Women's Welfare Department of the Methodist Conference (1936 - 1977?)
- Churches of Christ (1840s - )
- Clarence Park Assessment Unit (c. 1990 - c. 1992)
- Claring-bould Cottage (c. 1982 - c. 1995)
- Clark Cottage, Clarence Park (1963 - 1979)
- Colebrook Children's Training Home, Quorn
- see Colebrook Home (1927 - 1981)
- Colebrook Home (1927 - 1981)
- Colebrook Tji Tji Tjuta (c. 1981 - )
- College Park Home
- see Lutheran Girls' Hostel, College Park (1959 - 1982?)
- Colonial Lunatic Asylum (1846 - 1852)
- Colton Cottage (1987 - 1994?)
- Colton Cottage, Thorngate (1965 - 1982)
- Commonwealth Government, Department of the Interior (1932 - 1939)
- Commonwealth Government, Department of the Interior (1939 - 1972)
- Congregation of the Sisters of the Resurrection
- see Sisters of the Resurrection (1891 - )
- Congregational Union
- see Congregational Union of South Australia (1837 - 1977)
- Congregational Union of South Australia (1837 - 1977)
- Contact and Exchange Centre (1975 - 1978)
- The Convalescent Home, Somerton
- see Seaforth Convalescent Home (1921 - 1946)
- Convent of Our Lady of the Sacred Heart, Carrieton (1942 - 1945)
- Convent of the Good Shepherd "The Pines" (1942 - 1974)
- Cooinda Hostel (1969 - 1994)
- Craigburn Farm (1923 - 1990s), Minda Home
- CRAU
- see Central Region Admission Unit (1979 - 1980)
- Crippled Children's Association of South Australia, Inc. (1939 - 2004)
- Crippled Children's Home, Somerton Park
- see Somerton Crippled Children's Home (1939 - 1976)
- Crystal Brook Orphanage
- see Sacred Heart Orphanage (1940 - 1979)
- Cullford Cottage (1980s - 1995?)
- Curtice Cottage (1957 - 1977)
- Curtice Family Home
- see Curtice Cottage (1957 - 1977)