GS may stand for:
GS is a trade union in Sweden established June 1, 2009 through the merging of Swedish Forest and Wood Workers' Union and Swedish Graphic Workers' Union. It has a membership of 65,000 and organizes workers in the forestry, woodworking and graphic industries. Members work in locations ranging from printing works and newspapers to advertising, web- and media companies, packaging-, envelope- and wallpaper factories, as well as in the forestry and wood working industries.
GS is affiliated with the Swedish Trade Union Confederation.