Browse Organisations - A
- AAL
- see Aborigines' Advancement League (1938 - 2008?)
- ABM
- see Australian Board of Mission (1850 - 1995)
- Aboriginal Advancement League
- see Aborigines' Advancement League (1938 - 2008?)
- Aboriginal Affairs Board (1963 - 1971), South Australian Government
- Aboriginal Catholic Community (1978 - )
- Aboriginal Child Care Agency (1978 - 1998)
- Aboriginal Family Support Services (1998 - )
- Aboriginal Legal Rights Movement (1971 - )
- Aboriginal Women's Home, North Adelaide (1926 - c. 1975)
- Aborigines' Advancement League (1938 - 2008?)
- Aborigines Advancement League Hostel
- see Wiltja Hostel (1956 - 1978)
- Aborigines Department (1912 - 1962), South Australian Government
- Aborigines' Friends' Association (1858 - 2000)
- Aborigines Office (1866 - 1912), South Australian Government
- Aborigines Protection Board (1940 - 1963), South Australian Government
- ACC
- see Aboriginal Catholic Community (1978 - )
- ACCA
- see Aboriginal Child Care Agency (1978 - 1998)
- ACH
- see Adelaide Children's Hospital (1876 - 1989)
- Adelaide Catholic Archdiocesan Archives (1945 - )
- Adelaide Central Methodist Mission (c. 1901 - 1977)
- The Adelaide Central Methodist Mission Children’s Home
- see Lentara (1960 - 1977)
- Adelaide Central Mission (1977 - 2003)
- Adelaide Children's Court
- see Children's Court (1895 - 1993)
- Adelaide Children's Hospital (1876 - 1989)
- Adelaide City Archives (1978 - )
- Adelaide Hospital (1841 - 1939)
- Adelaide Hospital for the Insane
- see Adelaide Lunatic Asylum (1852 - 1902)
- Adelaide Kids' Shelter (1976 - 1989?)
- Adelaide Lunatic Asylum (1852 - 1902)
- Adelaide Maternity Home (1893 - 1914)
- Adelaide Maternity Hospital
- see Adelaide Maternity Home (1893 - 1914)
- Adelaide Medical Centre for Women and Children (1989 - 1995)
- Adelaide Retreat for Women
- see House of Mercy and Retreat for Women (1881 - 1974)
- Adelaide Women’s Rescue Home
- see Rescued Sisters' Home (1890 - 1899)
- Adelaide Youth Training Centre (2012 - )
- Adoption and Family Information Service of SA (c. 1988 - 2018)
- Adoptions - South Australia (2018 - )
- Advisory Council of Aborigines (1918 - 1940), South Australian Government
- AFA
- see Aborigines' Friends' Association (1858 - 2000)
- AFIS
- see Adoption and Family Information Service of SA (c. 1988 - 2018)
- AFSS
- see Aboriginal Family Support Services (1998 - )
- After-care Hostel
- see Catholic Boys' Hostel, Parkside (1977 - 1979)
- AIATSIS
- see Australian Institute of Aboriginal and Torres Strait Islander Studies (1964 - )
- AIM
- see Australian Inland Mission (1912 - 1977)
- Albara Road Cottage (1982 - )
- Albara Road Respite
- see Albara Road Cottage (1982 - )
- Allambi Girls' Hostel (1947 - 1977)
- ALR
- see Aboriginal Legal Rights Movement (1971 - )
- ALRM
- see Aboriginal Legal Rights Movement (1971 - )
- Anglican Archives
- see Diocesan Archives Centre (1998 - ), Anglican Diocese of Adelaide
- Anglican Board of Mission - Australia (1995 - )
- Anglican Child Care Services (1978 - 1988)
- Anglican Church of Australia (1981 - )
- Anglican Community Services (1988 - 1997)
- Anglican Diocese of Adelaide (1847 - )
- Anglican Diocese of Adelaide, Diocesan Archives Centre (1998 - )
- Anglican Social Welfare Bureau (1981 - 1988)
- Anglicare SA (1997 - )
- The Ark
- see Adelaide Maternity Home (1893 - 1914)
- Ashford House (1952 - 1976)
- Ashford Special School
- see Ashford House (1952 - 1976)
- Auricht House (2005 - )
- Australian Board of Mission (1850 - 1995)
- Australian Inland Mission (1912 - 1977)
- Australian Institute of Aboriginal and Torres Strait Islander Studies (1964 - )
- The Australian Red Cross (1914 - )
- Avila, Brighton (1981 - 1994)