Jeff Stein (born February 13, 1944) is the editor-in-chief of SpyTalk, a newsletter covering U.S. intelligence, defense and foreign policy, on the Substack platform. Previously, he was the SpyTalk columnist (and national security correspondent) at Newsweek, and before that, the SpyTalk blogger at The Washington Post. From 2002 to 2009, he was the founding editor of , and later national security editor at Congressional Quarterly, where he first launched his SpyTalk column. He had already covered the spy agencies and national policy topics for decades. He has also written three books and hundreds of news articles, opinion pieces and book reviews for a wide array of magazines and newspapers. He has also made numerous television and radio appearances.