Ian Millhiser is an American legal journalist currently serving as a Senior Correspondent at Vox Media, Inc. In this role, he contributes to the publication's coverage.

Prior to his tenure at Vox, Millhiser was a columnist for ThinkProgress. His career also includes experience as a Senior Fellow at the Center For American Progress and as a Law Clerk at the U.S. Courts Of Appeals. Additionally, he held the position of Assistant Director for Communications at the American Constitution Society.