Browse Corporate Bodies - N
- N. J. Huckson and Co (? - 1929)
- Nabalco Pty Ltd (1964 - )
- National Academies Forum
- National Acoustic Laboratories (1974 - 1992), Commonwealth of Australia
- National Ageing Research Institute Incorporated (1994 - )
- National Association of Testing Authorities (1947 - )
- National Bag Company of Australia Ltd ( - 1971)
- National Building Technology Research Centre (NBTRC)
- see Commonwealth Experimental Building Station (CEBS) (1944 - 1988) - National Cattle Breeding Centre (1952 - ?)
- National Centre for Theoretical Physics (1994 - 1999), Australian National University
- National Climate Centre (1985 - ), Commonwealth Bureau of Meteorology
- National Committee for the History and Philosophy of Science (1969? - ), Australian Academy of Science
- National Committee on Engineering Heritage
- see Engineering Heritage Australia (EHA) (1975 - ), Engineers Australia - National Commonwealth Laboratory (1914)
- National Energy Advisory Council (NEAC) (1977 - ?)
- National Energy Research, Development and Demonstration Council (NERDDC) (1978 - ?)
- The National Florence Nightingale Committee of Australia (1955 - 1993)
- The National Florence Nightingale Memorial Committee of Australia (1946 - 1955)
- National Gallery of Victoria (1870 - )
- National Health and Medical Research Council (NHMRC) (1936 - ), Commonwealth of Australia
- National Health and Medical Research Council (NHMRC), Poisons Schedule Standing Committee
- National Herbarium of New South Wales (1896 - ), Colony and State of New South Wales
- National Herbarium of Victoria (1896 - )
- National Library of Australia; and State Library of New South Wales, Australian Joint Copying Project (1945 - 1993)
- National Measurement Laboratory - CSIRO (1974 - 1979), Commonwealth Scientific and Industrial Research Organisation
- National Meteorological Analysis Centre
- National Meteorological Centre (1985 - 1990s)
- National Museum of Australia (1980 - )
- National Museum of Australian Zoology (1924 - 1931)
- National Museum of Victoria (1858 - 1983)
- National Paints Pty Ltd (? - 1977)
- National Panel for Engineering Heritage
- see Engineering Heritage Australia (EHA) (1975 - ), Engineers Australia - National Research Collections Australia (2014 - ), Commonwealth Scientific and Industrial Reseasrch Organisation
- National Research Institute of Gerontology and Geriatric Medicine (1975 - 1994)
- National Safety Council of Australia (c. 1931 - )
- National School of Design, Swinburne University of Technology
- National Scientific Instrumentation Training Centre ( - c. 2000), Swinburne University of Technology
- National Sirex Fund (1960s - ?)
- National Standards Commission (1950 - )
- National Standards Laboratory - CSIR/O (1939 - 1973), Commonwealth Scientific and Industrial Research Organisation
- National Zoo and Aquarium Canberra (1990 - )
- Natural Heritage Division (2000 - ), Commonwealth of Australia
- Natural History and Science Society of Western Australia (1909 - 1913)
- Natural History Society of Queensland (1892 - 1896)
- Natural History Society of Van Diemen's Land
- see Tasmanian Natural History Society (1838 - 1849) - Natural Resources Conservation League of Victoria (NRCL) (1951 - )
- Nature Conservation Society of South Australia (1963 - )
- NEC Australia (1969 - )
- Nestlé Australia Ltd (1908 - )
- Neurophysiological Sciences Society of Australia
- Neuroscience Trials Australia (2001 - )
- Neurosurgical Society of Australasia (1940 - )
- New England University College (1938 - 1954), The University of Sydney
- The New South Wales College of Nursing ( - 2002)
- New South Wales Colonial Engineer (1836 - 1843), Colony of New South Wales
- New South Wales Computer Society (1963 - 1965)
- New South Wales Department of Agriculture (1908 - 2004), State of New South Wales
- New South Wales Department of Agriculture (1974 - 1975), State of New South Wales
- New South Wales Department of Lands (1859 - 1981), Colony and State of New South Wales
- New South Wales Department of Lands and Public Works (1856 - 1859), Colony of New South Wales
- New South Wales Department of Mines (1874 - 1891), Colony of New South Wales
- New South Wales Department of Mines and Agriculture (1891 - 1908), Colony and State of New South Wales
- New South Wales Department of Primary Industries
- see New South Wales Department of Agriculture (1908 - 2004), State of New South Wales - New South Wales Department of Public Works (1859 - 1936), Colony and State of New South Wales
- New South Wales Department of Railways (1932 - ?), State of New South Wales
- New South Wales Forest Conservancy Branch (1882 - 1900s), Colony and State of New South Wales
- New South Wales Government Tramways, State of New South Wales
- New South Wales Mines Department (1908 - 1978), State of New South Wales
- New South Wales Public Works Department (1941 - 1980s), State of New South Wales
- New South Wales State Dockyard, State of New South Wales
- New South Wales State Rail Authority (1980 - 2003), State of New South Wales
- New South Wales Surveyor General [I] (1788 - 1887), Colony of New South Wales
- New South Wales University of Technology (1949 - 1958)
- New Zealand Society of Immunology (1975 - 1992)
- Newcastle Chemicals (1940 - ?)
- Newcastle Coal and Copper Mining Co (c. 1850 - ?)
- Newport Power House
- News Limited (1922 - )
- Nicholas Australia Ltd (1968 - 1970)
- Nicholas International Ltd (1970 - 1981)
- Nicholas Kiwi Limited (1981 - 1984)
- Nicholas Pty Ltd (1921 - c. 1984)
- Nobel (Australasia) Ltd (1898? - 1926)
- Nobel Industries Ltd
- Nobel's Explosives Company Ltd
- Noel P. Hunt Ltd (1921 - c. 1980)
- Norcoast Refrigeration Company (1980s - )
- North Adelaide Hospital (1884 - )
- North Broken Hill Ltd (1895 - 1976)
- North Queensland Engineers and Agents Pty Ltd (1948 - c. 1990)
- North Queensland Meat Export Company
- Northern District School of Nursing, Graduates' Association (1972 - )
- Northern Engineering Institute of New South Wales (1889 - 1919)
- Northern Territory Electricity Commission (1978 - ?)
- Northern Territory Herbarium (1954 - )
- Northern Territory Museum of Arts and Sciences
- see Museum and Art Gallery Northern Territory (1966 - ) - Northern Territory University (1989 - 2004)
- Northern Woodchips Pty Ltd (1970s - )
- Novo Industries A/S (1925 - 1989)
- NRSc
- see Queensland Natural Resource Sciences Chemistry Centre (1995 - ), State of Queensland - NSW Agriculture
- see New South Wales Department of Agriculture (1908 - 2004), State of New South Wales - NTA
- see Neuroscience Trials Australia (2001 - ) - Nuclear Research Foundation (1954 - 1967), The University of Sydney
- Nucleus Limited (1965 - 1988)
- Nutrition Society of Australia
- Nylex Corporation Pty Ltd (1947 - )