Barbara Cason (November 15, 1928 – June 18, 1990) was an American character actress.
She appeared in such cult films as The Honeymoon Killers (1969), Cold Turkey (1971) and Exorcist II: The Heretic (1977) as well as the summer replacement variety television series Comedy Tonight.
She was also in the movie House of Dark Shadows (1970) as Mrs. Johnson, when Clarice Blackburn couldn't do the role.
After the early 1970s, Cason's career became centered in Los Angeles, appearing mostly within television up until her death.
She died in Los Angeles, California, aged 61, after a heart attack.