Boilermakers Union can refer to: Amalgamated Society of Boilermakers, Shipwrights, Blacksmiths and Structural Workers, a defunct trade union in the United Kingdom Boilermakers' Society of Australia, a defunct trade union in Australia Boilermakers and Blacksmiths Society of Australia, a defunct trade union in Australia GMB (trade union), a trade union in the United Kingdom International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers, a trade union in the United States of America
See also Boilermaking