National Glass Workers' Trade Protection Association

{{short description|Former trade union of the United Kingdom}}

{{Use dmy dates|date=April 2022}}

The National Glass Workers' Trade Protection Association was a trade union in the United Kingdom.

The union was founded in 1920, when the Yorkshire Glass Bottle Makers' United Trade Protection Society merged with the majority of the National Glass Bottle Makers' Society. Based in Castleford, it merged with the Transport and General Workers' Union in 1940.{{cite web |title=National Flint Glass Makers' Friendly Society of Great Britain and Ireland |url=https://mrc-catalogue.warwick.ac.uk/records/FGM |website=Modern Records Centre |publisher=University of Warwick |access-date=28 November 2020}}