Susan B. Glasser (born January 14, 1969) is an American journalist and news editor.

She writes the online column "Letter from Trump's Washington" in The New Yorker, where she is a staff writer.

She is the author, with her husband Peter Baker, of Kremlin Rising: Vladimir Putin's Russia and the End of Revolution (2005), The Man Who Ran Washington: The Life and Times of James A. Baker III (2020), and The Divider: Trump in the White House, 2017-2021 (2022).

She edited the Post's Sunday Outlook and national news sections, helped oversee coverage of Bill Clinton's impeachment, covered the wars in Iraq and in Afghanistan, and served as Moscow bureau co-chief with her husband, Peter Baker.

[13] Their son, Theo Baker, became the youngest person to win a Polk Award in 2023 for reporting that led to the resignation of Marc Tessier-Lavigne, the then president of Stanford University, who had allegedly manipulated images used in research papers.