John Ziegler (born March 28, 1967) is a former radio program host, documentary film writer/director, and conservative journalist. He was the evening (7-10 PM) host of a radio talk show called The John Ziegler Show on KFI AM 640 in Los Angeles, California, from 2004 to 2007. He has hosted a Sunday evening radio program, the John and Leah Show. He is a staff columnist for Mediaite.