The Norwegian Union of Iron and Metalworkers (Norwegian: Norsk Jern- og Metallarbeiderforbund) was a trade union in Norway, organized under the national Norwegian Confederation of Trade Unions.
It was founded in 1891. In 1988 it was merged with the Norwegian Union of Clothing Workers, the Norwegian Union of Building Industry Workers, the Norwegian Union of Paper Industry Workers and the Norwegian Union of Forestry and Land Workers to form the United Federation of Trade Unions.[1]