Margaret Garrard Warner (born February 12, 1950) is a senior correspondent for The PBS NewsHour.

Before joining the NewsHour in 1993, she was a reporter for The Wall Street Journal, The San Diego Union-Tribune, the Concord Monitor, and Newsweek.

In addition, Warner has appeared on PBS' Washington Week In Review and CNN's The Capital Gang and was co-host of the radio program America Abroad, which focused on international issues.

[1] Warner is a great-granddaughter of the founder of the Washington Loan and Trust Company, which was consolidated into the Riggs National Bank.

Much of her reporting is low-budget[4] and covers civil liberties and politics in South Asia, China and Russia.