Mo Gaffney (born Maureen E. Gaffney on November 5, 1958) is an American actress, comedienne, writer and activist. She hosted two of her own television talk shows: Women Aloud! (which was shown on the Comedy Central network) and The Mo Show. She and friend Kathy Najimy wrote and starred in two off-Broadway shows, The Kathy and Mo Show: Parallel Lives and The Kathy and Mo Show: The Dark Side, both of which won Obie awards. She also appeared in Seasons 4 and 5 of That '70s Show as Joanne Stupak, Bob Pinciotti's girlfriend, had a recurring role in Mad About You and guest starred in Friends. In addition, she appeared in the Kirstie Allie/Kirsten Dunst black comedy about beauty pageants, Drop Dead Gorgeous. Gaffney went on to team up with Jennifer Saunders with a recurring role as Bo in the sitcom Absolutely Fabulous; in 2004 talks of a spin-off show began but nothing surfaced. She is currently co-host of the "Women Aloud" radio program on Greenstone Media. Gaffney is from San Diego, California.
