Browse Trade Unions - M
- Machine Shearers & Shed Employees Union (1902 - )
- Machiners Union of NSW (1902 - ), Tailors Machiners Union of NSW
- Maldon Miners Association (? - 1874)
- Malmsbury Miners Association (? - 1874)
- Mannequins & Models Guild of Australia (1960 - 1991)
- Mannequins & Models Guild, NSW (1970 - )
- Manufacturing Grocers Employees Federation of Australia (1914 - 1988)
- Manufacturing Grocers Employees Industrial Union of Victoria (1913 - 1950)
- Marble & Slate Workers Union (1902 - )
- Marble & Slate Workers Union of NSW
- Marine Cooks Bakers & Butchers Association of Australasia (1908 - 1983)
- Marine Cooks, Bakers & Butchers Association of Australasia, NSW Branch (1930 - )
- Marine Motor Drivers and Coxwains Association of New South Wales
- Marine Officers Association of New South Wales
- Marine Pilots Association (1963 - )
- Marine Porters Association (1953 - )
- Maritime Services Board (Wages Staff) Employees Association (1939 - )
- Maritime Union of Australia (1993 - ), MUA
- Maritime Workers Union of Western Australia
- Master Bakers Association of New South Wales (1926 - 1939)
- Master Bakers Association of NSW (1939 - )
- Master Basket Makers Association of NSW (1912 - )
- Master Brick Carters Association (1911 - )
- Master Builders Association of NSW, Broken Hill Branch (1913 - )
- Master Builders Association of NSW, Central Cumberland Branch (1920 - )
- Master Builders Association of NSW, Newcastle Branch (1922 - )
- Master Butchers Association of NSW (1911 - )
- Master Carriers Association of NSW (1890 - )
- Master Drainers Association of NSW (1903 - )
- Master Drainers Association of NSW (1926 - )
- Master Drainers Association of NSW (1937 - )
- Master Farriers Association of the County of Northumberland (1911 - )
- Master Monumental Masons Association of NSW (1925 - )
- Master Painters Association of the ACT
- Master Pastrycooks Association of NSW (1918 - )
- Master Platers, Tilers & Shinglers Association of NSW (1916 - )
- Master Platers, Tilers & Shinglers Association of NSW (1924 - )
- Master Plumbers & Sanitary Engineers Association of NSW (1924 - )
- Master Shopfitters Association of NSW (1927 - )
- Master Slaters Association of NSW (1886 - )
- Master Slaters, Tilers & Shinglers Association of NSW (1936 - )
- Master Tanners Association
- Master Tuckpointers Association of NSW (1912 - )
- Masters' & Engineers of Harbour & River Steamers Association (1882 - )
- MEAA, Media Entertainment & Arts Alliance (1993 - )
- Meat Industry Employees Union of NSW (1918 - )
- Meat Inspectors Association, Australian Public Service (1974 - 1991)
- Meat Inspectors Association, Commonwealth Public Service (1918 - 1974)
- Meat Packing & Tin Canning Employees Union of NSW (1910 - )
- Meat Workers Union of NSW (1917 - )
- Media Entertainment & Arts Alliance (1993 - ), MEAA
- Melbourne Operative Painters & Paperhangers Society (1895 - )
- Melbourne Seamans Union (1874 - 1876)
- Melbourne Stage Employees Association (c. 1908 - ?)
- Melbourne Typographical Society (1867 - 1916)
- Melbourne Wharf Labourers Union (c. 1885 - )
- Mental Employees Union (1921 - 1922)
- Mercantile Marine Officers Association of Australasia (1889 - )
- Mercantile Marine Officers Association of Australasia (1902 - )
- Merchant Service Guild of Australasia (1904 - )
- Merchant Service Guild of Australasia (1905 - 1957)
- Merchant Service Guild of Australia (1957 - 1992)
- Merchant Service Radio-Telegraphists Association of Australasia
- Merchant Tailors Cutters Assocation of NSW (1921 - )
- Merchant Tailors Cutters Association of NSW (1922? - 1975?)
- Metal Ceiling & Embossed Sheet Metal Workers of NSW (1910 - )
- Metalliferous Mine Workers Association (1910 - )
- Metals & Engineering Workers Union (1991 - 1993)
- Metropolitan & Country Domestic Workers Association of NSW (1923 - )
- Metropolitan & Suburban Dairymens Association (1911 - )
- Metropolitan Board of Water Supply & Sewerage Employees Association
- Metropolitan Board of Water Supply & Sewerage Employees Association (1909 - )
- Metropolitan Taxi Drivers Association of NSW (1965 - )
- Metropolitan Water & Sewerage Board Salaried Officers Association (1916 - )
- Metters Staff Association (1947 - )
- Milk & Ice Carters & Dairymens Employees Union (1903 - )
- Milk & Ice Carters & Dairymens Employees Union of NSW (1903? - 1971?)
- Milk Zone Dairymens Union (1966 - )
- Miners' Federation, Australasian Coal & Shale Employees Federation (1916 - 1990)
- Models & Mannequins Association of Australia (1959 - )
- Models and Mannequins Guild of NSW
- Monumental Workers Union (1902 - )
- Monumental Workers Union (1907 - )
- Monumental Workers Union (1911 - )
- Monumental Workers Union of NSW (1902? - 1914?)
- Moree Shearers Union (1886 - 1888)
- Motion Picture Technicians Association of Australia, NSW Branch (1947 - )
- Motor Drivers & Conductors Association of NSW (1919 - )
- Motor Omnibus Employees Association (1932 - )
- Motor Omnibus Employees Association (1945 - )
- Motor Transport & Chauffeurs Association (i) (1912 - 1979)
- Motor Transport & Chauffeurs Association (ii) (1979 - 1987)
- Moulders (Metals) Union of Australia, NSW District (1952 - )
- MUA, Maritime Union of Australia (1993 - )
- Municipal Employees Association of Australia (1910 - 1914)
- Municipal Officers Association of Australia (1921 - 1991)
- Municipal Officers Association of Australia, NSW Branch (1959 - )
- Musicians Association of NSW (1919 - )
- Musicians Union of Australasia New South Wales Local No.1 (1908 - 1909)
- Musicians Union of Australasia, NSW. Local No.1 (1908 - )
- Musicians Union of Australia (i) (1911 - 1961)
- Musicians Union of Australia (ii) (1975 - )
- Musicians Union of Australia, NSW District (1921 - )
- Musicians Union of NSW (1915 - )
- Mutual Services Association (1884 - 1900)