The Central Union of Glassworkers (German: Zentralverband der Glasarbeiter und -arbeiterinnen Deutschlands) was a trade union representing people involved in manufacturing glass and glass objects in Germany.
[1] From 1897, it was led by Emil Girbig.
[2] In 1907, it became the "Central Union of Glassworkers",[1] and from 1908, it hosted the headquarters of the International Federation of Glassworkers.
[3] In 1919, the union was a founding constituent of the General German Trade Union Confederation, and by 1920, it had 62,245 members.
[4] In 1926, it merged into the Factory Workers' Union of Germany.