Cynthia Plaster Caster (born Cynthia Albritton, May 24, 1947 – April 21, 2022) was an American artist and "recovering groupie". She was known for creating plaster casts of famous persons' erect penises. In 2000 she added casting female artists' breasts. Albritton was born in Chicago. She was an unsuccessful candidate for Mayor of Chicago in the 2011 election.