Diane Noomin (born 1947 in Brooklyn, New York) is an American comics artist associated with the underground comics movement. She is best known for her character DiDi Glitz, who addresses transgressive social issues such as feminism, female masturbation, body image, and miscarriages. Noomin is the editor of the anthology series Twisted Sisters, and published comix stories in many underground titles, including Wimmen's Comix, Young Lust, Arcade, and Weirdo. She has also done theatrical work, creating a stage adaptation of DiDi Glitz.