The Office of the United Nations High Commissioner for Human Rights, commonly known as the Office of the High Commissioner for Human Rights (OHCHR), is a department of the Secretariat of the United Nations that works to promote and protect the human rights that are guaranteed under international law and stipulated in the Universal Declaration of Human Rights of 1948. The office was established by the UN General Assembly on 20 December 1993 in the wake of the 1993 World Conference on Human Rights.

The office is headed by the High Commissioner for Human Rights, who co-ordinates human rights activities throughout the UN System and acts as the secretariat of the Human Rights Council in Geneva, Switzerland. The current High Commissioner is Michelle Bachelet of Chile, who succeeded Zeid Raad Al Hussein of Jordan on 1 September 2018.

In 2018–2019, the department had a budget of US $201.6 million (3.7% of the regular UN budget), and approximately 1,300 employees based in Geneva and New York City. It is an ex officio member of the Committee of the United Nations Development Group.