Prince Zeid bin Ra'ad bin Zeid al-Hussein (Arabic: زيد ابن رعد الحسين; born 26 January 1964) is a Jordanian former diplomat who is the Perry World House Professor of the Practice of Law and Human Rights at the University of Pennsylvania. He is also the president and CEO of the International Peace Institute. He also served as United Nations High Commissioner for Human Rights from 2014 to 2018. He played a central role in the establishment of the International Criminal Court, and was elected the first president of the Assembly of State Parties of the International Criminal Court in September 2002. He also served as a political affairs officer in UNPROFOR in the former Yugoslavia from 1994 to 1996.

A career diplomat, he served as Jordan's Permanent Representative to the United Nations from 2000 until 2007, when he was appointed as Jordan's Ambassador to the United States and non-resident Ambassador to Mexico. He was re-appointed Permanent Representative in 2010 and served until 2014, resigning shortly before his selection as High Commissioner. In 2019, Zeid was invited to join The Elders, an independent group of global leaders working for peace, justice and human rights founded by Nelson Mandela.

He is the son of Prince Ra'ad bin Zeid, Lord Chamberlain of Jordan, and Swedish-born Margaretha Inga Elisabeth Lind, subsequently known as Majda Raad. As the United Nations does not permit the use of royal or other titles by its officials in the context of their official work, he was known as Zeid Ra'ad Al Hussein in his capacity as United Nations High Commissioner.^{[improper synthesis?]} He is the apparent first in line to the thrones of the defunct Kingdom of Iraq and Arab Kingdom of Syria according to the mainstream claim.

Zeid was born in Amman, Jordan. He was educated in England at Reed's School, Surrey, then in the United States at Johns Hopkins University, where he was a member of the university's rugby club and graduated with a B.A. in 1987. He was then a research student at Christ's College, Cambridge, where he gained a PhD in 1993. In 2016, he was made an Honorary Fellow of Christ's College, Cambridge.

Zeid received a commission as an officer in the Jordanian desert police (the successor to the Arab Legion) in 1989 and saw service with it until 1994. He then spent two years as a political officer in UNPROFOR, the UN force in the former Yugoslavia.

Zeid served as Jordan's Deputy Permanent Representative to the United Nations from 1996 to 2000. In August 2000 he was appointed Permanent Representative at the United Nations, serving until 2007. In 2006, he was nominated by Jordan as a candidate for selection as the next United Nations Secretary-General. From 2007 to 2010 he was Jordan's Ambassador to the United States of America, then in 2010 returned to the UN as Jordan's Permanent Representative.

In January 2014, Zeid became president of the United Nations Security Council and chaired the Security Council's 1533 and 1521 committees, with regard to two sanctions regimes: the Democratic Republic of the Congo and Liberia.

From 16 September 2010 to 7 March 2012, Zeid was the Chairman of the Country-Specific Configuration of the UN Peace Building Commission for Liberia. He also chaired the search committee for the selection of the second prosecutor of the International Criminal Court in 2011.