Karen Kilgariff (born May 11, 1970 in Petaluma, California) is an American writer, comedian, singer, author, actress, television producer, and podcast host. She began her career as a stand up comedian in the early 1990s and later became a television actress, most notably as a cast member on Mr. Show. She has written for many comedy television shows, including being the head writer on The Rosie Show, The Ellen Degeneres Show and The Pete Holmes Show.