Mary Katharine Ham (born April 5, 1980) is an American journalist and conservative commentator. She is editor at large of Hot Air, a contributing editor to Townhall Magazine, senior writer at The Federalist and a CNN contributor. At CPAC 2014, she was presented with the ACU Blogger of the Year award. She was previously a Fox News Channel contributor.
Ham wrote for the Richmond County Daily Journal, Townhall.com where she was a columnist and managing editor, and The Washington Examiner. Her video blog series for Townhall.com, HamNation, won a Golden Dot award for Best Vlog of 2006 from the Institute for Politics, Democracy & the Internet and her HamNation video, "Sopranos DC", was voted "Video of the Year" in the 2007 Weblog Awards. The series ended in June 2008.
Ham was a host of The Morning Majority (5–9 a.m., Monday-Friday) on WMAL (simulcast on 105.9 FM and 630 AM) in Washington, D.C., until March 5, 2012.