Jacob Weisberg (born 1964) is an American political journalist and commentator, currently serving as editor of Slate magazine. He is the son of Lois Weisberg, a Chicago social activist and connector celebrated in Malcolm Gladwell's book The Tipping Point. Weisberg's father was a prominent Chicago lawyer and, later, judge. His parents were introduced at a cocktail party by novelist Ralph Ellison.

Weisberg is a frequent commentator on National Public Radio. He previously worked for The New Republic in Washington, D.C., was a contributing writer for The New York Times Magazine and a contributing editor to Vanity Fair. Early in his career, he worked for Newsweek in the London and Washington bureaus.

Weisberg is the inventor and author of the Bushisms series. He is also the author, with Robert Rubin, of In An Uncertain World (2003). Weisberg's first book, In Defense of Government, was published in 1996.

Weisberg graduated from Yale University in 1986 and attended New College, Oxford on a Rhodes Scholarship.