Workers' Defence Committee

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The Workers' Defense Committee (Polish: Komitet Obrony Robotników pronounced [kɔmitɛt ɔbrɔnɨ rɔbɔtɲikuf], KOR) was a Polish civil society group that was established to give aid to prisoners and their families after the June 1976 protests and ensuing government crackdown. KOR was an example of successful social organizing based on specific issues relevant to the public's daily lives. It was a precursor and inspiration for efforts of the Solidarity trade union a few years later.

It was established in September 1976. A year later it was reorganized into the Committee for Social Self-defence KOR (Komitet Samoobrony Społecznej KOR).