The Autonomous Workers' Union (Ukrainian: Автономна спілка трудящих, АСТ) was a revolutionary syndicalist organization that was founded in 2011 in Kyiv.

Similar draft labor law reforms were submitted to various presidents and governments, but all were criticized by left-wing activists,[1][2][3][4] and were blocked each time by protests.

According to the program documents of the organization, the ACT stood for the positions of class struggle, and their ultimate goal was the elimination of the capitalist system and the construction of a stateless classless society.

It was after the adoption of these laws that many members of the organization individually decided to take part in the Maidan, mainly in humanitarian initiatives (such as shifts in hospitals).

In the summer of 2014, ACT activists occupied an empty municipal building, turning it into the "Autonomy" social center,[25] which was used to provide temporary housing to internally displaced persons from Donbas and to conduct educational and political activities.

The organization opposed the forced mobilization on the territory of Ukraine, as well as the government's attempts to cover up the revocation of political freedoms and the dismantling of elements of the welfare state.

There were regional and branch unions in the ACT, made up of ACT-Kyiv, ACT-Kharkiv, ACT-Moscow and ACT-Dumka, which united employees of intangible labor.

The organization stated that it did not accept any form of nationalism, chauvinism, racism, discrimination on the grounds of sex or gender, age, sexual or cultural tastes.

Subsequently, many Russian leftists, including KRAS and RSD, accused the ACT of Ukrainian nationalism and Russophobia for a number of members of the organization pointing to Russia as the main culprit in the Russo-Ukrainian War and wishing it more defeat than "their" state.