Browse Trade Unions - C
- Camellia Asbestos Sheet Makers Association (1921 - )
- Candid Photographers (1941 - )
- Candle Starch Soap & Soda Employees Industrial Union of Victoria (1907 - 1913)
- CAOOAA, Civil Air Operations Officers Association of Australia (1948 - )
- Caravan & Trailer Industries Association of NSW (1948 - )
- Carcass Butchers Carters Union of Employees (1917 - )
- Cardboad and Paperbox Employees Union of NSW (1913 - )
- Cardboard Box & Carton Employees Association (1917 - 1950)
- Cardboard Box Factory Female Employees Union of NSW (1903 - )
- Carriers Association of NSW, Cement (1952 - )
- Carrington Coal & Coke Shipping Union (1910 - )
- Carrington Coal & Coke Shipping Union (1922 - )
- Carters & Storemens Union
- Central Australian Carriers Union (1892 - )
- Central Illawarra Union of Employees of the Smelting & Refining Company of Australia, Dapto, Ltd. (1902 - )
- Central Queensland Labourers Union (1888 - 1889)
- CEPU, Communications Electrical Electronic Energy Information Postal Plumbing & Allied Services Union of Australia (1994 - )
- Cessnock & District Coal Carters Union (1939 - )
- Cessnock & District Coal Carters Union (1946 - )
- Cessnock & District Dairymen & Milk Vendors Association (1935 - )
- Cessnock & District Taxi Drivers Association (1945 - )
- Cessnock Carters Association (1912 - )
- Cessnock Timber Getters Union (1909 - )
- CFMEU, Construction Forestry Mining & Energy Union (i) (1992 - 1993)
- CFMEU, Construction Forestry Mining & Energy Union (ii) (1993 - )
- Chartered Accountants Clerks Association of NSW (1938 - )
- Chartered Accountants Clerks Association of NSW (1955 - )
- Chauffeurs & Taxi-Cab Drivers of NSW (1912 - )
- Chauffeurs & Taxi-Cab Drivers Union of NSW (1926 - )
- Chemical Workers Trade Union, NSW Branch (1943 - )
- City & Suburban Bottle Accumulators Association (1904 - )
- City & Suburban Licenced Vanmens Union (1904 - )
- City of Sydney Wickerworks Society (1889 - )
- City Suburban & Country Accumulators Association of NSW
- City, Suburban & Country Bottle Accumulators Association of NSW (1909 - )
- Civil Air Operations Officers Association of Australia (1948 - ), CAOOAA
- Civil Aviation Employees Association of Australia (1950 - 1976)
- Civil Service Association of Western Australia (Inc.) (1902 - ?)
- Clarence & Richmond Rivers Sleeper Cutters & Timbergetters Union (1903 - )
- Clarence River & District Trades & Labour Council (1958 - )
- Clarence Waterside Workers Union (1912 - )
- Clerk of Works Institute of Australia (1971 - 1985)
- Clothing & Allied Trades Union of Australia (1947 - 1992)
- Clothing Machinists & Fitters Union of NSW (1891 - )
- Club Managers & Secretaries Association (1959 - )
- Club Managers Association (1964 - 1967)
- Club Managers Association, Australia (1993 - ), CMAA
- Clunes Miners Association (? - 1874)
- CMAA, Club Managers Association, Australia (1993 - )
- COAAFD, Customs Officers Association of Australia, Fourth Division (1949 - )
- Coachbuilders Association of New South Wales
- Coal & Shale Miners Mutual Protective Association of Airley (1902 - )
- Coal Lumpers Union
- Coal Miners Industrial Union of Workers of Western Australia
- Coal Miners Mutual Protective Association of the Hunter River District in the Colony of NSW (1882 - ?)
- Coal Miners' Mutual Protective Association of the Western District (1886 - )
- Coast Trade Masters & Officers Association of NSW (1902 - )
- Coastal & Eastern Goldfields Government Water, Sewerage & Drainage Employees Industrial Employees Union
- Coastal Breweries Employees Union of Workers
- Coastal Dock Rivers & Harbour Works Union of WA (1911? - ?)
- Coastal Seamen' Union of NSW (1890 - )
- Cobar Miners & Workers Association (1896 - )
- Cold Storage & Ice Employees Union of NSW (1917 - )
- Cold Storage Employees Union of NSW (1901 - )
- Collieries' Staff Division, Association Professional Engineers Scientists and Managers, Australia
- see Australian Collieries Staff Association (1944 - 2001), ACSA - Colliery Employees Federation of the Northern District NSW Industrial Union of Employees
- Colliery Managers Association, Northern District, NSW (1942 - )
- Colliery Mechanics Mutual Protection Association of the Hunter River District of NSW (1908 - )
- Colliery Mechanics Mutual Protective Association Hunter River District, New South Wales (1926 - 1929)
- Colliery Officials Association of the South Maitland Coal Field (1908 - )
- Colliery Surface Miners Mutual Protective Association (1886 - )
- Colliery Workmens Mutual Protective Association of the Hunter River District (1918 - )
- Colonial Beer Workers Union of NSW (1903 - )
- Colonial Sugar Refining Company Limited Professional & Clerical Officers Association of Australia (1942 - 1974)
- Combined Taxidrivers Association of NSW (1971 - )
- Combined Unions Committee of Broken Hill (1910 - )
- Commercial Buggy Drivers & Livery Stables Employees Union of Sydney & Suburbs (1909 - )
- Commercial Drivers Union of NSW (1913 - )
- Commercial Vehicle Owners Defence Council of Australia (1960 - )
- Commonwealth Bank Officers Association (1930 - 1994)
- Commonwealth Butter & Cheese Graders Association, Commonwealth Public Service (1940 - 1950)
- Commonwealth Engine Drivers & Firemens Association of Australia (1918 - 1925)
- Commonwealth Foremens Association (1920 - 1946)
- Commonwealth Foremens Association of Australia (1989 - 1991)
- Commonwealth Foremens Association of Australia, Australian Public Service (1975 - 1989)
- Commonwealth Foremens Association of Australia, Commonwealth Public Service (1946 - 1975)
- Commonwealth General Division Telephone Officers Association (1915 - 1924)
- Commonwealth Legal Professional Officers Association (1917 - 1974)
- Commonwealth Medical Officers Association (i) (1926 - 1991)
- Commonwealth Medical Officers Association (ii) (1991 - 1993)
- Commonwealth Medical Quarantine Officers Association (1920 - 1926)
- Commonwealth Naval Dockyards Employees Association (1917 - )
- Commonwealth Naval Employees Association of Australia (1918 - 1949)
- Commonwealth Naval Storehousemens Association (1920 - )
- Commonwealth Naval Storehousemens Association (1928 - 1970)
- Commonwealth Patternmakers Association (1919 - )
- Commonwealth Police Officers Association (1958 - 1982)
- Commonwealth Postmasters Association (1913 - 1966)
- Commonwealth Professional Surveyors Association (1964 - 1991)
- Commonwealth Public Service Artisans Association (1918 - 1975)
- Commonwealth Public Service Association (Fourth Division Officers) (1967 - 1974)
- Commonwealth Public Service Clerical Association (1919 - 1956)
- Commonwealth Public Service Fourth Division Employees Union of Australia (1924 - 1925)
- Commonwealth Railway Officers Association (1917 - 1950)
- Commonwealth Scientific & Industrial Research Organisation Technical Association (1958 - 1988)
- Commonwealth Staff Valuers Association (1925 - 1935)
- Commonwealth Storemen & Packers Union of Australia (1920 - 1960)
- Commonwealth Telephone & Phonogram Officers Association (1950 - 1975)
- Commonwealth Telephone Officers Association (1924 - 1950)
- Commonwealth Temporary Clerks Association (1919 - 1948)
- Commonwealth Temporary Technical Officers Association (1943 - )
- Commonwealth Works Supervisors Association (1943 - 1992)
- Communication Workers Union of Australia (i) (1992 - 1993)
- Communication Workers Union of Australia (ii) (1993 - 1994)
- Communications Electrical Electronic Energy Information Postal Plumbing & Allied Services Union of Australia (1994 - ), CEPU
- Concrete Tile Manufacturers Association (1948 - )
- Confectioners Industrial Union of Australia (1922 - 1950)
- Confectionery Workers & Food Preservers Union of Australia (1992 - 1994)
- Confectionery Workers Union of Australia (1986 - 1992)
- Construction Forestry & Mining Employees Union (1992)
- Construction Forestry Mining & Energy Union (i) (1992 - 1993), CFMEU
- Construction Forestry Mining & Energy Union (ii) (1993 - ), CFMEU
- Co-operative Colliery Employees Society of NSW (1902 - )
- Coopers United Protective & Philanthropic Society of New South Wales (? - 1886)
- Coppersmiths Society of NSW (1934 - )
- Council of Suburban Master Builders Associations (1948 - )
- Country Bread Manufacturers Association of NSW (1938 - )
- Country Milk Suppliers Union (1942 - )
- CPSU, the Community & Public Sector Union (1994 - )
- Crane Boys Union
- Creswick Miners Association (1870s - c. 1883)
- Crown Employees Hospitals & Homes Association of NSW (1927 - )
- CSIRO Laboratory Craftsmens Association (1971 - 1991)
- CSIRO Officers Association (1980 - 1992)
- CSIRO Staff Association (1992 - 1993)
- CSIRO Technical Association (1988 - 1992)
- CSR Limited Officers Association (1974 - ), CSRLOA
- CSRLOA, CSR Limited Officers Association (1974 - )
- Customs & Shipping Clerks Association of NSW (1921 - )
- Customs Officers Association of Australia, Fourth Division (1949 - ), COAAFD
- Cutters & Trimmers Union of Employees of NSW (1890 - )
- Cutters & Trimmers Union of New South Wales (1890 - ?)
- Cycle & Motor Trade Employees Union of NSW (1905 - )