The Law on the Trustees of Labour () was a measure enacted by the government of Nazi Germany on 19 May 1933 that established the office of Trustee of Labour to regulate labour relations in Germany. The law was repealed by the Allied Control Council Law No. 40 of 30 November 1946, effective 1 January 1947.
The Nazi Party, after coming to power in Germany under Reich Chancellor Adolf Hitler on 30 January 1933, set about to eliminate all opposition and undertake a complete transformation of German society. It sought to bring all components of society into line with the Nazi worldview in a process that became known as (). An early target of its campaign was the powerful German trade union movement. On 2 May 1933, Nazi SA stormtroopers attacked and occupied trade union offices throughout the country. The unions were dissolved, their officials were arrested, union newspapers and banks were closed and their funds were confiscated. On 10 May, the German Labour Front (, DAF) was established under the leadership of Robert Ley, at that time the () of the Party's political organization. The DAF was a Nazi Party office that essentially replaced the myriad trade unions, ostensibly as the sole representative of a united German workforce.
In addition, the new position of Trustee of Labour was created by statute as a mechanism of control over labour relations. In accordance with the provisions of the Enabling Act, the Law on the Trustees of Labour was enacted solely by action of the Reich government (the Reich Chancellor and his cabinet) and was not placed before the for legislative review, debate and approval. It went into effect when published in the on 20 May 1933.
The Law on the Trustees of Labour, which had been superseded by the Work Order Act, was repealed by the Allied Control Council Law No. 40 (30 November 1946) with an effective date of 1 January 1947.