Ezra Klein (born May 9, 1984) is an American liberal political commentator and journalist. He is currently a New York Times columnist and the host of The Ezra Klein Show podcast. He is a co-founder of Vox and formerly was the website's editor-at-large. He has held editorial positions at The Washington Post and The American Prospect, and was a regular contributor to Bloomberg News and MSNBC. His first book, Why We're Polarized, was published by Simon & Schuster in January 2020.

Klein rose to prominence as a blogger who became well known for his in-depth analysis on a range of policy issues. By 2007, Klein's blog had gained a substantial following and was acquired by The American Prospect, where he was an associate editor. At The Washington Post, Klein managed Wonkblog, a branded blog that featured his writing on domestic policy.

In 2014, alongside fellow journalists Matthew Yglesias and Melissa Bell, Klein co-founded Vox, a website for explanatory news owned by Vox Media. He was the editor-in-chief, and later the editor-at-large. Klein also contributed articles to the site, hosted an associated podcast (The Ezra Klein Show), and worked as an executive producer for Vox's Netflix series Explained. In November 2020, Klein left Vox to join The New York Times as a columnist and podcast host.