Browse Trade Unions - U
- UFU, United Firefighters Union (1969 - 1970)
- UFU, United Firefighters Union of Australia (1990 - )
- Underground Colliery Officials Association of NSW, West Wallsend Division (1916 - )
- Undertakers Assistants & Cemetery Employees Union of Australia (1916 - 1988)
- Undertakers Assistants & Cemetery Employees Union of NSW (1945 - )
- Undertakers Assistants Union of Victoria (1900 - 1914)
- Undertakers Employees & Assistants Union of NSW (1902 - )
- Undertakers Employees & Assistants Union of NSW (1907 - )
- Union of Australian College Academics (1987 - 1993)
- Union of Christmas Island Workers (1992 - )
- Union of Local Government Engineers of NSW (1919 - )
- Union of Postal Clerks & Telegraphists (1966 - 1990)
- Union of the Employees of William Arnott Ltd. (1918 - )
- United Bank Officers Association (1920 - )
- United Bank Officers Association of New South Wales (1919 - 1990?)
- United Bank Officers Association of Queensland (1919 - ?)
- United Bank Officers Association, Commonwealth Bank Branch (1924 - 1930)
- United Bank Officers Association, Commonwealth Branch (1921 - 1924)
- United Bank Operators Association (1919 - )
- United Blind Workers Union (1931 - )
- United Bricklayers Trade Society
- United Bridge & Wharf Carpenters Union of New South Wales
- United Clerks Union of NSW (1908 - )
- United Collieries Staff Association, Northern District of NSW (1921 - )
- United Commercial Travellers Guild of Australia (1931 - 1978)
- United Cooks Society of NSW (1891 - )
- United Crown & Railway Services Association (1917 - )
- United Felt Workers Union of Australasia
- United Firefighters Union (1969 - 1970), UFU
- United Firefighters Union of Australia (1990 - ), UFU
- United Firemens Union of Victoria (1911 - 1966)
- United Fishermans League (1945 - )
- United Furniture Trade Society (1884 - 1909)
- United Furniture Trade Society of NSW (1886 - )
- United Furniture Trade Society of NSW (1888 - )
- United General Labourers Association of Newcastle (1888 - )
- United Grocers Assistants Union of NSW (1902 - )
- United Grocers Tea & Dairy Produce Employees Union of Victoria (1905 - 1916)
- United Laborers Protective Society of New South Wales (1883? - 1941)
- United Labourers' Protective Society of NSW, Newcastle Branch No. 1 (1889 - )
- United Licensed Victuallers Association of NSW (1889 - )
- United Marble, Monumental and Slate Workers Society (1892 - )
- United Milk Industry Depot Superintendants Association (1926 - )
- United Millers & Mill Employees Society of NSW (1902 - )
- United Millers & Mill Employees Union of NSW (1908 - )
- United Millers Engine Drivers & Mill Employees Society of NSW (1890 - )
- United Mine Workers Association (1918 - )
- United Mineworkers Federation of Australia (1990 - 1992)
- United Operative Bricklayers' Trade Society of Australia (1957 - )
- United Operative Bricklayers Trade Society of New South Wales
- United Operative Masons (1853 - ?)
- United Operative Plumbers & Gasfitters Society of Victoria (1909 - 1950)
- United Operative Stonemasons Society
- United Plasterers Society
- United Sales Representatives & Commercial Travellers Guild of Australia (1978 - 1991)
- United Shipwrights Society of Port Jackson (1890 - )
- United Slaters Society of New South Wales
- United Slaters Society of NSW (1901 - )
- United Society of Boilermakers & Iron Shipbuilders of New South Wales
- United Society of Boilermakers & Iron Shipbuilders of South Australia
- United Society of Boilermakers, Iron Ship Makers of NSW (1889 - )
- United Society of Painters Paperhangers & Decorators (1886 - 1895)
- United Storemens Union of NSW (1908 - )
- United Theatrical Choristers & Dancers Association of Australia (1919 - )
- United Tinsmiths & Sheet Metal Workers Society of Victoria (c. 1903 - 1911)
- United Tinsmiths Ironworkers and Japanners Society of Victoria (1883 - 1910)
- United Tobacco Operatives (Industrial) Union (1904)
- United Tobacco Operatives Union (1904)
- United Tobacco Operators of NSW Amalgamated Miners Association, Bodangora (1903 - )
- University Academic Staff Association of NSW (1977 - )
- University Library Officers Association (1977 - 1992)
- University of Queensland Academic Staff Association
- University of Wollongong Academic Staff Association