Achille Grandi (24 August 1883 – 28 September 1946) was an Italian politician and catholic syndicalist.
In 1918 he entered the secretariat of the Confederazione Italiana dei Lavoratori CIL being one of its founding members, with Ulisse Carbone.
During fascism he didn't collaborate and survived working in a printing house.
On 3 June 1944 he was one of the promoters and signatories of the Pact of Rome, which originated the unified CGIL and was the germ of all post-war Italian trade-unionism.
[2] In August 1944 he founded the Associazioni Cristiane dei Lavoratori Italiani (ACLI) becoming just for 6 months their president.