The International Workingmen's Association (IWA), often called the First International (1864–1876), was an international organization which aimed at uniting a variety of different left-wing socialist, communist and anarchist groups and trade unions that were based on the working class and class struggle.
Asosiasi Pekerja Internasional (Inggris: International Workingmen's Association, IWA), 1864-1876, sering disebut Internasional Pertama, adalah organisasi internasional yang bertujuan untuk menyatukan berbagai macam kelompok politik sosialis sayap kiri, komunis dan anarkis, dan organisasi serikat pekerja yang didasarkan pada kelas pekerja dan perjuangan kelas.