Hillary Frey is an American journalist and an experienced newsroom leader. Since June 6, 2022, she has served as the editor-in-chief of the online magazine Slate. Her career spans over 15 years, during which she has managed journalists and coverage across various media organizations.

Prior to her role at Slate, Frey was the Editor in Chief at Yahoo. She also held positions at Fusion Media Group, where she served as Executive Editor and Director of Global News Operations.