Warren Minor Christopher (October 27, 1925 – March 18, 2011) was an American statesman, attorney, diplomat, and United States Navy officer who served as the 63rd United States secretary of state from 1993 to 1997.

Born in Scranton, North Dakota, Christopher clerked for Supreme Court Justice William O. Douglas after graduating from Stanford Law School. He became a partner in the firm of O'Melveny & Myers and served as Deputy Attorney General from 1967 to 1969 under President Lyndon B. Johnson. He served as Deputy Secretary of State under President Jimmy Carter, holding that position from 1977 to 1981. In 1991, he chaired the Christopher Commission, which investigated the Los Angeles Police Department in the wake of the Rodney King incident.

During the 1992 presidential election, Christopher headed Bill Clinton's search for a running mate, and Clinton chose Senator Al Gore. After Clinton won the 1992 election, Christopher led the Clinton administration's transition process, and he took office as Secretary of State in 1993. As Secretary of State, Christopher sought to expand NATO, broker peace in the Israeli–Palestinian conflict, and pressure China regarding its human rights practices. He also helped negotiate the Dayton Agreement, which ended the Bosnian War. He left office in 1997, and was succeeded by Madeleine Albright.

Christopher oversaw the Gore campaign's Florida recount effort in the aftermath of the disputed 2000 presidential election. At the time of his death in 2011, he was a senior partner at O'Melveny & Myers in the firm's Century City, California, office. He also served as a professor at the University of California at Los Angeles.

Warren Minor Christopher was born in Scranton, North Dakota, the son of Catherine Anne (née Lemen) and Ernest William Christopher, a bank manager. He was of part Norwegian descent.

Christopher graduated from Hollywood High School in Los Angeles, and attended the University of Redlands, before transferring to the University of Southern California (USC). He was a member of the college fraternity Kappa Sigma Sigma. He graduated magna cum laude from USC in February 1945. From July 1943 to September 1946, he served in the United States Naval Reserve, with active duty as an ensign in the Pacific Theater. He entered Stanford Law School in September 1946, where he founded and became the first editor of the new Stanford Law Review. While there, he was also elected to the Order of the Coif.

Christopher became the first graduate of Stanford Law School to become a U.S. Supreme Court law clerk when he clerked for Justice William O. Douglas from October 1949 to September 1950. He practiced law with the firm of O'Melveny & Myers from October 1950 to June 1967, becoming a partner in 1958 and serving as special counsel to Governor Pat Brown. Christopher served as United States Deputy Attorney General from June 1967 until January 20, 1969, after which he rejoined O'Melveny & Myers. President Lyndon B. Johnson selected him to assist federal efforts to combat the urban riots in Detroit during July 1967 and in Chicago during April 1968. In 1974, Christopher served as the president of the Los Angeles County Bar Association. Attorney General Elliot Richardson considered appointing Christopher as the special counsel to investigate the Watergate scandal, but he declined.

Christopher was sworn in on February 26, 1977, as the Deputy Secretary of State and served in that position until January 20, 1981. As Deputy Secretary, he was involved in the successful Iran hostage crisis negotiations, and the resulting Algiers Accords securing the safe release of 52 American hostages in Iran. He also spearheaded the Sino-American relations with the People's Republic of China, helped to win ratification of the Panama Canal treaties, and headed the first interagency group on human rights. President Jimmy Carter awarded him the Presidential Medal of Freedom, the nation's highest civilian award, on January 16, 1981.