Giulietta Fibbi (4 August 1920 – 21 January 2018) was an Italian trade union leader, communist politician and anti-fascist activist.

Born in Fiesole in Italy, Fibbi grew up in Lyon, where her socialist father fled to avoid persecution by the fascist government.

[1][2] During World War II, Fibbi was imprisoned in the Rieucros Camp, where she worked closely with Teresa Noce to organise underground education in politics and the Italian language.

[1][2] After the war, Fibbi began working for the Italian Federation of Textile Workers, led by Noce, and in 1955, she succeeded as the union's general secretary.

When the PCI dissolved, she joined the Democratic Party of the Left, becoming the leader of its national guarantee commission.