Diane Noomin was 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.

Here she is in a Video West Zippy the Pinhead episode broadcast in 1980 starring Jim Turner as Zippy and Diane Noomin as DiDi Glitz.

Noomin was married to Bill Griffith, the man who created the character of Zippy.